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My Daily Drop Pro Review

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I’m a big fan of Daily Drop. It’s a points, miles, travel, and credit card newsletter created by my friends, Kara and Nate (they run a big YouTube channel of the same name). Daily Drop keeps you informed about the latest news and information around points & miles, as well as updates across the airline and hotel industries.

While the newsletter is free, they also have a subscription service called Daily Drop Pro, which promises even more points deals, alerts, and tools to help you find the award availability you need for your next trip.

But does it deliver? Is it worth the price?

As Daily Drop has gotten bigger, I’ve gotten questions about the service from readers so I figured it was time to breakdown the service and talk about who it is right for.

What is Daily Drop Pro?

According to the team at Daily Drop, Daily Drop Pro was created to be your one-stop shop for flights and hotels (whether with points or cash), deals, and chatting with like minded people in their community forum. The service has five main features:

  • Flight Points Search
  • Hotel Points Search
  • Deal Alerts
  • Wallets
  • Daily Drop Pro Lounge

Let’s walk through all of them.

Flights Point Search

Nomadic Matt sitting on a bridge in Vienna, AustriaNomadic Matt sitting on a bridge in Vienna, Austria
There are lots of websites that let you search for points flights. In addition to Daily Drop, there’s Point.me, Seats.aero, Points Path (a chrome browser extension), and a few others. The space has become incredibly crowded in the last few years.

What makes Daily Drop Pro Different?
The main feature that I really, really like is that you change your preferences to narrow the results based on time of day, stops, duration, maximum points, and aircraft type (which is a feature that is unique to them). They also have a feature that lets you compare the cash rate but that just sends you Google Flights and I don’t think that a real selling point. I think the real edge here is that you can get really specific on the award flights you want, which is something the other services lack.

Hotel Points Search

Daily Drop Pro also lets you search for award space for hotels. There’s not a lot of other competitors in this space and Daily Drop has a ton of options that let you customize your results based on points, programs, award certificates, which hotel programs you can transfer credit cards points, and so many more. I think the hotel award search is the best in class and, like the flight search, its ability to let you get hyper specific is really awesome.

Deal Alerts

Nomadic Matt sitting on a bridge in Vienna, AustriaNomadic Matt sitting on a bridge in Vienna, Austria
This feature lists points and cash deals. It’s really cool because you can see not only award fare sales (which happen all the time but are a pain in the butt to keep track of) but also cash fare deals. You can select your home airports, choose your preferred travel regions, and let the deals decide your destinations.

Daily Drop Pro’s points deals are detailed, too — showing the taxes and fees of an award, which program to book through and how the redemption stacks up to Daily Drop’s point valuations. It’s one of the more comprehensive deal feeds out there.

Wallet & Points Management

The Wallet lets to link your different accounts (award programs and credit cards) and have them all displayed in one place. Plus, it will remind you of all the perks, credits, and other benefits you get with each card / loyalty program.

If you have a lot of different cards, this can be really helpful because it can be confusing to remember all the perk and deals that come with each card. Heck, even I forget sometimes and I’m expert at this stuff (but when you start to have double digit cards, it’s a lot to remember)!

The Daily Drop Pro Lounge

The lounge allows you to chat with other members. It’s a message board and like all message boards it didn’t seem that active. It’s a good feature but not one that I would rely on given that there’s not a lot of activity on the forum.

How much does Daily Drop Pro cost?

Daily Drop Pro Membership is $149 a year.

Is Daily Drop Pro worth it?

I think Daily Drop Pro is a good product if you have a lot of credit cards and are heavy into the points & miles game. Inputting all your cards and membership programs takes some initial start up time but the ability to track all your points, benefits, and rewards in one place is really convenient. As I said, even I forget about card benefits sometimes. It’s hard to keep multiple cards in your head so having it in one place is nice.

The hotel award feature is definitely the best in class. And, while there are other airline search tools, I do like the increased search filters (especially the ability to filter by plane type!).

And the deals feature can allow you to keep track of all the deals happening in one place rather than subscribe to multiple newsletters and websites.

So, is the service worth $12 a month? I think so. Daily Drop Pro essentially bundles lots of other programs, improves on them, and puts them all into one dashboard for you and that is a real time saver. I think the service is definitely worth it.

Book Your Trip: Logistical Tips and Tricks

Book Your Flight
Find a cheap flight by using Skyscanner. It’s my favorite search engine because it searches websites and airlines around the globe so you always know no stone is being left unturned.

Book Your Accommodation
You can book your hostel with Hostelworld. If you want to stay somewhere other than a hostel, use Booking.com as it consistently returns the cheapest rates for guesthouses and hotels.

Don’t Forget Travel Insurance
Travel insurance will protect you against illness, injury, theft, and cancellations. It’s comprehensive protection in case anything goes wrong. I never go on a trip without it as I’ve had to use it many times in the past. My favorite companies that offer the best service and value are:

Want to Travel for Free?
Travel credit cards allow you to earn points that can be redeemed for free flights and accommodation — all without any extra spending. Check out my guide to picking the right card and my current favorites to get started and see the latest best deals.

Need a Rental Car?
Discover Cars is a budget-friendly international car rental website. No matter where you’re headed, they’ll be able to find the best — and cheapest — rental for your trip!

Need Help Finding Activities for Your Trip?
Get Your Guide is a huge online marketplace where you can find cool walking tours, fun excursions, skip-the-line tickets, private guides, and more.

Ready to Book Your Trip?
Check out my resource page for the best companies to use when you travel. I list all the ones I use when I travel. They are the best in class and you can’t go wrong using them on your trip.

Nomadic Matt Interview

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When it comes to seasoned long-term travelers and bloggers on the topic, our friend Matt Kepnes of Nomadic Matt is an undisputed authority. He’s a travel media maven, and we’re honored he’s invited us to speak at his conferences, give webinars to the Nomadic Network community, and write articles for his website. We share a belief in the transformative power of slow travel and that this life-changing experience is not reserved for the wealthy. In fact, traveling affordably is an insider strategy that not only saves money, but often leads to more local and immersive experiences…and that, my friends, is where the magic happens! (More on this in our Nomadic Matt interview, below!)

To learn how to have a lifetime of epic travel experiences without breaking the bank, Matt’s latest book, How to Travel the World on $75 a Day, is a must-read. The second edition of this New York Times bestselling book does an excellent job of addressing the massive changes to the travel industry in recent years and offers an inspiring way forward. Packed with relevant and hyper-specific advice, the 368-pager is broken down into three sections: trip planning, on-the-road expenses, and world travel by region. Reading through it, we felt ourselves nodding our heads in total agreement and also impressed by the clever tips and fresh resources it surfaced.

NOMADIC MATT INTERVIEW

There is a ton to be learned from this book and the author himself! Which is why we are excited to share our Q&A with Matt Kepnes, from what led him to a life of travel, his inspiration for How to Travel the World on $75 a Day, to what you can learn from this essential travel guide.

Before we get into your new book, tell us a bit about yourself

Nomadic Matt interview

On a trip to Thailand in 2005, I got inspired by some backpackers to quit my job and travel for one year. I left in 2006, but instead of being gone for a year, I ended up being away for 18 months. When I came back in 2008, I started my blog, nomadicmatt.com, as a way to get freelance writing jobs so I could keep traveling. Partly because there weren’t many people blogging about how to travel long-term on a budget and there was a need for this hard-to-find info, the website took off, and one day I woke up and realized that I had a career! I’ve been doing it now for 17 years.

What motivated you to update your old book and create How to Travel the World on $75 a Day?

The last edition came out in 2017, and since then, a lot has changed in the world due to COVID. The pandemic forever altered the travel industry. A lot of businesses closed, old methods of saving money became obsolete, new methods came into being, new companies have been created, destinations have changed, and, of course, prices have gone up a lot.

Since travel has changed so much, I wanted my book to reflect the current conditions people face when it comes to planning a trip, saving money, and navigating regions around the world. How to be a smart budget traveler is very different from what it was in 2017, so I wanted to make sure everyone had up-to-date info on how to be one!

What are some of the exciting updates to the new edition?

In How to Travel the World on $75 a Day, you’ll find a lot of new information. I ended up rewriting about 80% of this book because so much of travel has changed. I thought it would be a simple update, but it turned out to be a major rewrite! Some key changes:

  • A new section on collecting and redeeming points and miles
  • A completely updated resource section filled with companies and accommodations I love 
  • More information on overtourism and how to be a responsible traveler
  • Completely revised, updated, and expanded destination sections that include new prices, ways to save, tips on where to eat, accommodation, transportation, and activities
  • New trips and tricks on how to save money before you go
  • New ways to afford accommodation, including ways to get free stays
  • New ways to save on transportation, with new information on transit passes

I bet a lot of people get stuck on the $75 number...

They do – and they are both at the extreme ends of the spectrum! There are people who think that’s too much because they are “a real traveler” and can do it cheaper (there are always people who like to prove they are a better traveler than someone else) or people who think that the number doesn’t seem like it’s enough because they’ve been told travel is expensive. 

In reality, your mileage will vary for a round-the-world trip. Some people will do it for more, some people will do it for less. Destinations vary too, so it depends a lot on where you go. But the number is based on my experience traveling the world many times over, doing the standard “budget travel/backpacker” route. 

What about people who aren’t looking to do an around-the-world trip? How could this book be helpful to them? 

Don’t get caught up in the title. No matter if you are planning a long-term trip or going on a week-long vacation, we all fly on the same planes, so we have to figure out how to find a cheap flight…how to save money on attractions in New Zealand…how to find local food in Paris…the same situations and strategies apply to us all. The only difference is that a shorter trip can’t spread out the costs as much as a longer trip, so you might not be able to get it under $75 per day. 

This book is really about helping people find deals and showing readers the strategies and tactics they need to travel like a pro and save money, regardless of how long they go away for. 

What are your three biggest tips for travelers? (Without giving away all the secrets in the book!)

How to Travel the World on $75 a Day

Three things people can do to get the biggest wins for the least amount of effort are:

1. Be flexible with your travel dates. The difference of a day can mean the difference of hundreds of dollars. Go where the flights are the cheapest. Check out Google’s Flights “Explore” option to see where the cheapest flights are and start there.

2. Travel as you live. You don’t eat out or spend a lot of money every day at home, so why do it on the road? Head to the local markets, take public transportation, linger at a bookstore, do some Airbnb experiences, and cook your own food. Don’t go to all the big-name attractions or touristy restaurants. 

3. Collect points and miles. Credit card points can go a long, long way to reducing the cost of travel. If you can pay off your bill each month, there’s no reason not to have a credit card that earns points. I cover this in detail in the book and on my website.

Given that so much information is available online for free, why is it worth getting this book?

If anything, the fact that there is a firehose of information available online makes this book even more necessary. How do you know what info is true? What has been updated recently? Where do you even begin to search or start the process? With this book, you know that everything has been fact-checked by a team of people, it’s up to date, and has all you need to get started. There’s no need to endlessly search blogs, TikTok, Instagram, and have a million browser tabs open. You just need one book, and you are set to go!

What travel plans do you have this year? 

Well, I’m about to start a three-week book tour (hope you can join me)! I’ve also got trips in the works for Oaxaca, summer in Scandinavia, then Oman, China, and the Caribbean! This year, I want to take shorter trips so I can maintain some roots at home, while continuing to explore the world!

Nomadic Matt Interview

Thanks for the interview, Nomadic Matt! Be sure to pick up a copy of How to Travel the World on $75 a Day and leave a review; it means the world to us authors!

Warner Chappell extends strategic joint venture with Lilly Raye Music

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Warner Chappell Music has extended its strategic joint venture partnership with Lilly Raye Music, the management company and publisher run by founder Edward Matthew and A&R Manager Justin Martinez.

The partnership, established in 2020 and expanded in 2023, is focused on “supporting collaborations between creatives” across Asia, Europe, and the US.

According to WCM, the partnership is stepping up its activity in Germany and the Netherlands, with “a sharp focus” on the dance and electronic scenes, and building its “A&R firepower” in the UK to support the careers of “top-tier talent” in that market.

Elsewhere in the world, WCM said that the JV grew its presence in Asia “by 40%, as a direct result of strategic collaborations and a market-specific focus, including a Number One Billboard World Digital Song Sales single for LESSERAFIM’s Unforgiven, and a Number One Billboard Japan Hot 100 single with IVE’s Wave“.

WCM has highlighted various other successes for the partnership, including Grammy recognition for its work on Summer Walker’s CLEAR 2: SOFT LIFE EP and Janelle Monáe’s The Age Of Pleasure, receiving a total of three nominations for Progressive R&B Album, Best R&B Album, and Album of the Year.

The JV delivered 10 No.1 singles in the Swedish market over the last three years with the likes of Asme, Molly Sandén, and Saretti. Lilly Raye said it has also recently hired additional A&R support “to keep evolving its Swedish roster”.

Other successes include achieving “major global sync placements,” including a campaign featuring Jennie of BLACKPINK with Apple’s Beats by Dre, and a fashion campaign with ILLIT for Acne Studios.

Elsewhere, WCM highlighted the JV’s artist collaborations, “supporting the likes of BANKS, Doechii, GloRilla, and FLO in creating bold, genre-pushing records”.

The JV has also been focused on connecting creatives in Atlanta and Stockholm, with projects involving producer Mike WiLL Made-It, Dababy, and Swae Lee.

WCM said that the JV has also secured recognition for its rising talent, with Emelie Walcott earning a nomination at the Denniz Pop Awards in Sweden for Rookie Songwriter of the Year, “while several other promising writers are coming through on the roster”.

WCM added that the Lilly Raye management team also “continues to make waves behind the scenes”, contributing to “breakout success” for artists such as Ayra Starr, Cian Ducrot, RAYE and Renee Rapp.

“Connecting creative talent across three continents is as exhilarating and inspirational as ever, and Warner Chappell’s combination of global firepower, local knowledge and cultural curiosity makes it an essential partner for us.”

Edward Matthew and Justin Martinez

Edward Matthew and Justin Martinez said: “We’re delighted to renew our deal with Warner Chappell, which has expanded so much in scope over the past few years.

“Connecting creative talent across three continents is as exhilarating and inspirational as ever, and Warner Chappell’s combination of global firepower, local knowledge and cultural curiosity makes it an essential partner for us.”

“I’m so pleased that we’re renewing our collaboration with Edward, Justin and the whole Lilly Raye crew.”

Lars Karlsson, Warner Chappell Music Nordics

Lars Karlsson, Managing Director, Warner Chappell Music Nordics, added: “I’m so pleased that we’re renewing our collaboration with Edward, Justin and the whole Lilly Raye crew.

“They bring a passion and an energy to their work that is unrivalled, and they have an uncanny ability to spot talent and partner compatible creatives together.”

“We’ve built a really solid relationship with Edward and Justin over the past few years. I trust their A&R instincts and their strategic nous.”

Guy Moot, Warner Chappell Music

Guy Moot, Co-Chair and CEO of Warner Chappell Music, said: “We’ve built a really solid relationship with Edward and Justin over the past few years. I trust their A&R instincts and their strategic nous.

“They have an infectious enthusiasm for forging cultural connections between writers and producers from different parts of the world.

“The amazing results speak for themselves, so I’m excited that we’re extending our partnership.”Music Business Worldwide

From Espresso to Eco-Brick: How Coffee Waste Fuels 3D-Printed Design

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For centuries, people used coffee grounds to read the future. At I’mnovation-Hub, we prefer science over superstition—but we also believe that a more sustainable future could well lie in the coffee grounds we discard each morning. That is the thinking behind a new line of research from the University of Washington, where scientists are exploring how to turn organic waste into biodegradable packaging and new building materials. The key ingredient? Mycelium—the underground root-like structure of fungi.

Mycelium is a dense network of fungal threads that grows naturally beneath the soil. When fed with organic waste—such as sawdust, cardboard, or coffee grounds—it forms lightweight, fibrous structures that, once dried, behave like polystyrene or even leather. What was once a biological curiosity is now a rising star in the search for sustainable alternatives to plastics and synthetic foams, thanks to its low carbon footprint and natural biodegradability.

From mushroom to material: merging mycelium with 3D printing

At the University of Washington’s Center for Digital Fabrication, researchers have taken this concept a step further by integrating mycelium with 3D printing. Unlike conventional techniques that rely on rigid moulds to shape fungal growth, this method prints flexible scaffolds that fungi can colonise, resulting in compostable components with tailored geometries.

The process begins with a gel-like ink that includes nutrients and organic waste—mainly coffee grounds and rice flour. This printed structure guides the growth of the fungi, which spread along the patterned lines. Within five days, the mycelium takes over the entire form, which is then dried to halt further growth and lock in its final shape.

This method offers a scalable and adaptable way to produce biodegradable objects—and it could even enable localised manufacturing. Any community with access to organic waste and a basic 3D printer could produce sustainable materials on demand. And once the item has served its purpose, it can be safely composted or left to biodegrade.

What makes 3D-printed mycelium especially compelling is its versatility. Depending on the fungus strain and the chosen substrate, the resulting materials can be rigid, elastic or moisture-resistant. This adaptability opens doors for applications across packaging, industrial design, construction—and even fashion. Some of the prototypes include protective packaging for glassware and decorative vases.

 


 

Mycotecture: the precedent set by the construction industry​

While this new research advances additive manufacturing, the use of mycelium as a construction material has a longer history. In architecture, the concept of “mycotecture” has inspired experimental designs where fungi replace bricks. These “living bricks” are grown, not fired, using agricultural waste such as corn husks or hemp stalks.

One standout example is the work of architect Phil Ross, a pioneer in fungal-based building systems. In partnership with various institutions, he has developed interlocking blocks suitable for temporary shelters, acoustic panels or decorative features. As outlined in this article, mycelium holds promise not only as a plastic alternative but as a low-impact building solution in a sector known for heavy resource use.

Beyond its ecological credentials, mycelium is easy to grow, requires little energy, and can adapt to diverse environments without extensive infrastructure. Its main drawbacks? Growth takes time—and the final product is typically less durable than traditional materials.

​This bench is a 3D-printed work of art

Of course, 3D printing continues to evolve far beyond fungi. Across sectors, additive manufacturing is enabling innovative shapes and structures for buildings and public furniture. One eye-catching example, unrelated to mycelium, is a sculptural bench made using contour crafting with cement.

Thanks to this technique, the bench features a sweeping, organic design that blurs the line between functional furniture and public art. Installed in the courtyard of Seville’s Puerta Barqueta housing estate, the piece was printed in just twenty minutes and set overnight before being placed in its final location the next day.

 

 

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What Leaders Actually Want to See

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Learn the key takeaways from my knowledge session on Measuring What Matters — all in just 7 minutes.

In my work with global innovation teams, I often come across the same question, phrased a dozen different ways: How do we measure innovation in a way that actually means something to leadership? 

It’s one of the most persistent challenges in our field. And it’s easy to see why. 

Innovation doesn’t move at the same pace as quarterly results. It’s unpredictable by nature. Yet more and more, leaders are asking innovation teams to justify their existence—not by effort or engagement, but by outcomes. 

To meet this demand, innovation leaders need to rethink how they measure, communicate, and structure their activities. It’s not just about tracking what’s been done—it’s about showing where things are headed, and why it matters. 

The Real Reason Innovation Metrics Fail 

Many innovation teams are tracking the wrong things. They’re measuring how many ideas were submitted or how many people got involved. While those stats may show activity, they don’t help leaders make decisions about resources, priorities, or strategic direction. 

What causes this disconnect? 

  • Innovation takes time, but leadership often wants fast feedback 
  • Teams are unsure what kind of results to aim for—or when to expect them 
  • Metrics vary wildly across departments, creating confusion 
  • There’s no shared language between innovation and leadership 

The result is a frustrating misalignment. Innovators feel they’re working on meaningful things. Leaders don’t see the value. And programs stagnate. 

What Leaders Actually Want 

To close this gap, it helps to flip the perspective. Rather than asking what metrics matter to you as an innovation team, ask: What information would help leadership make better decisions about innovation? 

In most cases, they want clarity on: 

  • What projects are being worked on 
  • When results are expected 
  • What the potential impact is—financial, strategic, operational 
  • Whether this is the best use of people and budget 
  • How this aligns with the company’s direction 

This shift—from tracking activity to demonstrating value—is at the heart of credible innovation measurement. 

The Innovation Portfolio: A Smarter Structure 

One of the most effective ways to measure innovation impact is to treat it as a portfolio. Just like a financial portfolio, your innovation portfolio should be diversified, managed, and continuously assessed. 

You’ll want to categorize initiatives by time horizon: 

  • Horizon 1: Incremental improvements to existing products, services, or processes 
  • Horizon 2: Adjacent innovations that expand into new markets or categories 
  • Horizon 3: Transformational bets that could redefine your business model 

Then, layer in meaningful metrics: 

  • Forecast value across time horizons 
  • Risk exposure across the portfolio 
  • Implementation rates and time-to-value 
  • Uptake and validation from users or early adopters 

This kind of structure enables leadership to see not just what’s happening—but why it matters. 

Metrics That Matter (and Why) 

If you’re unsure which KPIs or KRIs to focus on, start with this list—based on innovation accounting principles and what I’ve seen work across organizations: 

Engagement & Culture 

  • % of workforce actively contributing to innovation 
  • Number of campaigns or channels used 
  • Topics covered across strategic areas 
  • Participation across departments or geographies 
  • Hours invested in training or capability-building 

Portfolio Health 

  • Forecasted value of active innovation pipeline 
  • Risk distribution across Horizon 1/2/3 projects 
  • Average time from idea to first customer validation 
  • # of ideas rejected due to misalignment or low potential 
  • Implementation rate over time 

Business Impact 

  • Revenue generated or cost savings delivered
  • Expected value realized by year (e.g. $5M by FY26) 
  • Sustainability/ESG metrics where applicable 
  • Performance trends by business unit or vertical 

Not all of these need to be adopted at once. But even a few well-chosen metrics—tracked consistently—can make innovation efforts more visible and valuable. 

Input Throughput Output
# of ideas or generic submission types Speed of testing hypotheses (in days, months, years) # or ration of triages, evaluated and/or implemented ideas to total ideas
# of innovation activities or initiatives (per category, if it applies) Speed of new capability acquisition (in days, months, years) Quantifiable growth (ROI, profit, market share, etc.)
# of new outside-in data and knowledge sources (including tacit and explicit; free or subscription-based) # or ratio of total employees and leaders well-versed in ideation, strategy, partnering, or innovation project development Quantifiable change in behavior or attitude (as per culture survey)
# of new internal insights, resources, and competencies (can also be measured for suppliers, collaborators, etc.) New tools and methods adopted Number of new partners or collaborators; number of new internal users
Present value of ideas Time to profit or to market (in days, months, years) Rate of innovation diffusion, rate of transformation and renewal, IP created
  Engagement cycle analysis (Awareness, Understanding, Action, Reaction, Advocacy) Sustainability impact or benefits
  Brand awareness (for external programs) Cost savings

Molluscs May Hold the Secret to More Sustainable Concrete

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Each year, global cement production releases more than two and a half billion tonnes of CO₂ into the atmosphere. This immense carbon footprint makes concrete one of the biggest hurdles in the transition to a low-carbon economy. Now, researchers at Northwestern University have developed a technology that could help turn the tide: a carbon-negative building material that not only avoids emissions but also captures CO₂ from the air—while generating hydrogen as a valuable by-product. The method, which mimics the shell-forming process of molluscs, produces a new kind of sand that could form the foundation for greener concrete.

Producing sand for sustainable concrete—and clean energy

To create this innovative carbon-negative material, the researchers introduced electrodes into seawater and applied a low-voltage electric current. This current splits water molecules, releasing hydrogen and generating hydroxide ions. Simultaneously, CO₂ is injected into the seawater, altering its chemical composition and increasing the concentration of bicarbonate ions.

These hydroxide and bicarbonate ions then react with other dissolved minerals naturally found in seawater, such as calcium and magnesium. The result is the formation of solid compounds—mainly calcium carbonate and magnesium hydroxide. Calcium carbonate acts as a direct carbon sink by locking away CO₂ in its crystal structure, while magnesium hydroxide can continue to absorb carbon through further chemical reactions.

According to the researchers, this approach resembles the way molluscs and corals form their shells, using biological energy to transform dissolved ions into calcium carbonate. In this case, the team has swapped biological energy for electricity and boosted mineral formation by adding CO₂ to speed up the process.

Crucially, when powered by renewable energy, the system also produces green hydrogen as a by-product—a clean fuel with a growing role in sectors such as transport, chemicals and power generation. This dual benefit positions the technology as a tool not only for reducing emissions but also for generating renewable energy.

Reducing reliance on sand mining

As well as tapping into abundant natural resources, the technique offers an alternative to intensive sand mining—a growing environmental concern worldwide.

Cement, concrete, paints and plasters typically rely on minerals rich in calcium and magnesium, which are commonly sourced by extracting sand and aggregates. Today, these materials are mined from mountains, rivers, coastlines and even the seabed—practices that are increasingly unsustainable.

Benefits and potential applications

The material developed by the Northwestern team offers a series of advantages that could make it a game-changer for the construction sector:

  • Lower emissions: By capturing more CO₂ than it emits, the process actively contributes to efforts to combat climate change.
  • Renewable inputs: It uses seawater and atmospheric CO₂—resources that are practically limitless—ensuring long-term environmental viability.
  • Hydrogen co-production: The generation of hydrogen adds further value, opening up additional pathways for clean energy development.
  • Versatility: The material can be adapted for a wide range of applications, from structural concrete to architectural finishes and decorative features.

Taken together, these qualities make it a strong candidate for a sector that is rapidly shifting toward more circular and sustainable building practices.

The challenges of large-scale adoption

Despite its potential, the material still faces hurdles before it can be rolled out at scale:

  • Industrial scalability: Moving from lab to large-scale production will require investment, pilot testing and process optimisation.
  • Cost-effectiveness: Its economic viability compared with conventional alternatives will need to be assessed across various markets.
  • Regulatory approval: Like all new building materials, it must meet stringent safety and performance standards before entering the mainstream.

Nonetheless, the team at Northwestern is optimistic. With support from research institutions, investors and policymakers, they believe this new material could be integrated into commercial construction over time.

Turning CO₂ into a resource

Northwestern University’s approach marks a significant step forward in rethinking how we build. By turning CO₂ from a pollutant into a raw material, it points the way towards infrastructure that is not just durable and functional, but also an ally in tackling climate change.

If you are interested in other ways CO₂ is being repurposed as a resource, take a look at our recent article on the subject. And if you would like to stay up to date on the latest breakthroughs in science and technology, you can subscribe to our newsletter at the bottom of the page.

 

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Smartphone screens may soon help monitor your hydration levels

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As any wellness expert will tell you, if you want to avoid becoming dangerously dehydrated, you have to drink before you start feeling thirsty. So, how do you know when to do so? According to a new study, a simple tap of your smartphone screen may soon provide the answer.

First of all, there are already wearable sweat-analyzing devices – including temporary tattoos – that let people know when their body’s water levels are getting low.

Users do have to purchase such gadgets, learn how to utilize them, and put them on their body, however, which are all steps that many folks simply won’t bother taking. This is particularly true of people who aren’t often in situations where there’s a substantial risk of dehydration, or who just aren’t all that tech-savvy.

With this problem in mind, Prof. Tareq Al-Naffouri and colleagues at Saudi Arabia’s King Abdullah University of Science and Technology (KAUST) looked to the type of capacitive sensors that are already incorporated into smartphone touchscreens.

It turns out that such sensors don’t just detect the electrical charge in the skin of a user’s fingertip, they’re also capable of measuring changes in the skin’s capacitance, which is its ability to store an electrical charge. And it was already known that the lower a person’s hydration levels, the lower their skin capacitance.

Al-Naffouri’s team thus developed a machine-learning algorithm that converts measured changes in skin capacitance to one of five corresponding levels of hydration. The scientists then tested the technology on a total of 45 volunteers. All of the individuals simply pressed their fingertip pads to a smartphone-like capacitive sensing board, along with providing basic information such as their weight and gender.

Thirty-five of the people were Muslims in the month-long process of fasting for Ramadan, who were tested at regular intervals five times a day. The other 10 were athletes, who were tested before and after sessions of intense physical activity.

When compared to traditional hydration-monitoring methods, the new system proved to be 87% accurate with the fasting individuals and 92% accurate with the athletes. Those figures should improve as the technology is developed further, and ultimately incorporated into an app.

“We envision real-time, everyday, user-friendly hydration monitoring, where users simply place their finger on their smartphone screen to assess their hydration status,” says team member Soumia Siyoucef.

The research is described in a paper that was recently published in IEEE Sensors Journal.

Source: KAUST

Germany’s Merz backs Ukraine’s long-range missile strikes on Russia

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Germany’s chancellor Friedrich Merz has backed Ukrainian military strikes deep into Russian territory, following his earlier commitment to supply Kyiv with German long-range missiles.

Germany, Britain, France and the US have removed all range restrictions for weapons delivered to Ukraine, Merz said on Monday.

Paris, London and Washington have supplied long-range missiles to Kyiv and have already allowed strikes in Russian territory.

But Merz’s stance contrasts with that of his Social Democratic predecessor Olaf Scholz, whom he replaced this month.

The former chancellor repeatedly rejected pleas from Kyiv and its allies to supply the Ukrainian armed forces with German Taurus missiles, which have an intelligent warhead system that can inflict huge damage to structures such as bridges and bunkers. 

While Merz has decided to stop disclosing weapon deliveries since taking office — a stance in line with the “strategic ambiguity” approach of French President Emmanuel Macron — he had previously said he favoured deliveries of Taurus missiles to Kyiv if they were co-ordinated with European allies.

“There is no longer any range restriction on weapons delivered to Ukraine, neither by the British, nor by the French, nor by us, nor by the Americans,” Merz said at a conference in Berlin on Monday.

He added: “This means that Ukraine can now defend itself, for example by attacking military positions in Russia. It couldn’t do that until some time ago, it did do that with very few exceptions. [Ukraine] can do that now. In jargon we call this long range fire.”

The centre-right chancellor made his comments after three days of Russian air attacks on Ukraine that involved more than 1,000 drone and missile strikes.

Dmitry Peskov, President Vladimir Putin’s spokesman, said that decisions to give Ukraine longer-range missiles were “potentially dangerous” and could frustrate “attempts to reach a settlement” in Ukraine, according to state newswire Tass.

The 500km-plus range of the Taurus cruise missile is further than the Storm Shadows and Scalps supplied by the British and French and the Army Tactical Missile System (Atacms) provided by the US.

Those British, French and American missiles were first used against military targets inside Russia’s Bryansk and Kursk regions in November, when the respective governments quietly lifted geographical restrictions on their use.

Separately, Kyiv has also developed its own Neptune long-range missiles, as well as drones that target Russian territory.

Merz’s comments come as European leaders are racing to come up with a plan to increase pressure on Moscow, after US President Donald Trump signalled he is inclined to leave them to sort the conflict among themselves.

UK Prime Minister Keir Starmer will meet Merz in Aachen in western Germany on Thursday, where EU commission president Ursula von der Leyen is receiving the Charlemagne prize.

British officials said Starmer would talk to Merz about increasing economic pressure on Russia and ensuring Ukraine has the financial and military support it needs to maintain the fight.

Ukraine President Volodymyr Zelenskyy is due to travel to Berlin on Wednesday, according to Der Spiegel.

With Washington’s commitment to Ukraine’s security seemingly waning, the French, British and German leaders are increasingly divided over how much military support can be provided to Ukraine after the war.

France and the UK, the two instigators of a so-called “coalition of the willing”, have insisted that an initial plan of deploying troops on the ground in Ukraine is still feasible.

Other nations, including Germany, are more sceptical, since the US remains opposed to the idea and has not promised the security “backstop” previously sought by European powers for such a force.

Starmer and Macron continue to back the troops proposal, people involved in the negotiations said, so as to keep Europe involved in the ceasefire talks and maintain Ukrainian morale, as well as demonstrating their commitment to Trump.

One European official said the troops plan was “dead”, since it was “preposterous without the help of Trump, and he’s not willing to provide it”.

But a French diplomat countered that the reports of the proposal’s death were “not only greatly exaggerated” but also “totally untrue”, adding that the countries were still working on the plans “at normal pace”.

Additional reporting by Leila Abboud in Paris and Max Seddon in Berlin

Talgo Q1 2025 slides: Revenue and margins decline, guidance put on hold

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Talgo Q1 2025 slides: Revenue and margins decline, guidance put on hold

EU plans to ‘fast track’ trade talks with US amid tariff fight

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The European Union said it agreed to accelerate negotiations with the US to avoid a transatlantic trade war, signaling a more amicable approach just days after President Donald Trump criticized the bloc for taking advantage of the US and slow-walking talks. 

“There’s now a new impetus for the negotiations,” Paula Pinho, a spokeswoman for the European Commission, told reporters on Monday, a day after Commission President Ursula von der Leyen spoke with Trump by phone. “They agreed both to fast track the trade negotiations and to stay in close contact.”

Following the call, Trump extended the deadline to hit the EU with 50% tariffs by more than a month to July 9 to allow for more negotiations. “We had a very nice call and I agreed to move it,” Trump told reporters Sunday.  

Talks so far have been beset with a multitude of problems, with no clear path to finding a middle ground that will appease them both. The Europeans have complained that it’s not clear what the US wants or even who speaks for the American president, and the US has said the EU unfairly targets US companies with lawsuits and regulations. 

The EU’s trade chief, Maros Sefcovic, was expected to speak with US Commerce Secretary Howard Lutnick on Monday. EU ambassadors were also scheduled to hold a last-minute meeting on Monday to discuss the latest developments with the commission.

US and European equity-index futures climbed along with Asian stocks on Monday. The dollar fluctuated after falling to its lowest level since December 2023.

Trump’s 50% tariff threat would hit $321 billion worth of US-EU goods trade, lowering US gross domestic product by close to 0.6% and boosting prices by more than 0.3%, according to Bloomberg Economics calculations.

After an initial exchange of papers, the US last week rejected a proposal sent by the commission, which handles trade matters on behalf of the EU’s 27 member states. The EU had offered to jointly remove tariffs on industrial goods, to boost access for some American agricultural products and to co-develop AI data centers, Bloomberg reported.  

While the EU has said its priority is to find a negotiated solution with the US, it’s also been preparing to retaliate if necessary.

The EU has approved tariffs on €21 billion ($23.9 billion) of US goods in response to Trump’s metals levies that can be quickly implemented. They target politically sensitive American states and include products such as soybeans from Louisiana, home to House Speaker Mike Johnson, as well as agricultural products, poultry and motorcycles.   

The bloc is also preparing an additional list of tariffs on €95 billion of American products. Those measures, which are in response to Trump’s “reciprocal” levies and automotive duties would target industrial goods including Boeing Co. aircraft, US-made cars and bourbon. 

Some member states have been urging cool heads as the tariff deadline nears. German Economy Minister Katherina Reiche said the EU and US need “to calm down” ahead of the talks. 

“We need to find common ground. That must be the goal,” Reiche said at a Handelsblatt event in Heilbronn on Monday. At the same time, the US must understand that tariffs also hurt them, she said. “There are still six weeks left to find a solution,” said Reiche.

This story was originally featured on Fortune.com