This start-up is recycling abandoned wooden homes in Baltimore
The Baltimore Wood Project salvages wood from buildings to repurpose and resell locally to create a circular economy.
Heat pumps can cut your energy costs by up to 90%
Heat pumps are becoming all the rage around a world that has to slash carbon emissions rapidly while cutting energy costs.
Fighting poverty with direct cash payments
GiveDirectly has delivered over $500 million in cash to impoverished people, letting recipients decide how best to meet their needs.
Inside the crypto black markets of Argentina
Argentina’s black market for cash is embracing crypto — but it's not what crypto proponents expected.
ar shopping
AR’s first great use: never get lost again
The tech behind an AR shopping app helping grocery store customers find items could one day help you navigate airports, museums, and more.
A world map of start-up ambitions
In New Zealand, ambitious Kiwis want to launch a lawn mowing business; in South Africa, it's cooking gas refills. Start-up dreams vary widely.
Winners announced: $50K Beautiful Minds competition on innovating higher ed
Each organization is helping people to prepare for and succeed in our fast-changing world. 
3d printing houses
Virginia launches world’s biggest 3D-printed housing project
Construction company Alquist 3D plans to build 200 3D-printed houses over the next 5 years through Project Virginia.
A more efficient way of urban mining gold
Researchers at the Korea Institute of Science and Technology say they have developed the world’s most efficient way of urban mining gold
From robotic dogs to magnetic slime: 6 ways robots are helping humans
Robots are helping humans in a growing number of places - from archaeological sites to disaster zones to sewers.
Nonprofit drugmaker Civica Rx is taking aim at the high insulin price
People living with insulin-dependent diabetes have been waiting a long time for it to be more affordable. Could things change?
Metaverse real estate prices are booming. This is why.
People are paying millions of dollars to buy plots of pixellated land in virtual worlds, even though they doesn’t fully exist yet.
Elon Musk: Europe should revive nuclear energy
The Ukraine crisis has highlighted Europe's dependence on Russia for fossil fuels. Is more nuclear energy the solution?
The case for techno-optimism: Is the world about to enter an era of mass flourishing?
Historically, periods of mass flourishing are underpinned by technological revolutions. Currently, we are undergoing a technological revolution unlike anything the world has ever seen.
Are colleges necessary?
Student debt, sticker price, a pandemic, and economic uncertainty has Gen Z rethinking education.
Cryptocurrency
Series | Challengers
How Brian Armstrong built Coinbase, America’s largest cryptocurrency exchange
No one took him seriously. Now, his company stores more than $90 billion dollars in assets. Here’s how Brian Armstrong rode a cryptocurrency tsunami to the forefront of a financial revolution.
supply chains
Can digital twins solve our supply chain problems?
Supply chains around the world are feeling the strain of COVID-19. Are AI-powered, highly detailed “digital twins” the key to a smoother future?
Crypto and traditional art are merging — and the result is fantastic
The addition of a physical component could help crypto art go mainstream.
bitcoin mining el salvador
Volcanoes to power bitcoin mining in El Salvador
Now that bitcoin is legal tender in El Salvador, the nation is working to power bitcoin mining facilities with geothermal energy harnessed from volcanoes.
venezuela cryptocurrency
Series | Coded
The strange story of Venezuela’s failed cryptocurrency
The world’s first state-backed cryptocurrency was a revolutionary idea that could’ve saved Venezuela’s economy. Here’s what went wrong.
walmart resale store
With US clothing sales in a freefall, Walmart sells secondhand
Consumers can now purchase secondhand clothing from a new resale store in the largest retailer - Walmart.
healthy fast food
Series | Challengers
Healthy fast food start up takes on the McDonald’s empire
This LA-based business wants to radically alter the fast food industry by selling healthy fast food at the same low cost as competitors like McDonald’s.
pandemic bonds
Why aren’t the World Bank’s pandemic bonds helping fight COVID-19?
The World Bank sold pandemic bonds to address global health emergencies, but it has yet to release any of the money to help fight the COVID-19 outbreak.
In a circular economy, leaders look to eliminate waste
A step further than recycling, a circular economy would eliminate the idea of garbage completely. But will consumers hop on board? We gave it a try, and here's our honest review.
Angels of debt
These ex-bill collectors got John Oliver's attention and started a movement. They're buying hundreds of millions of dollars worth of strangers' medical debt and erasing it.
How San Francisco residents saved local businesses
An indie book store went from struggling to thriving with a new business model. Is it the future of retail?
Series | Catalysts
Can the apartment industry help solve homelessness?
Meet the innovative group connecting people with housing — and a job that can pay for it.
Breaking abuse victims’ financial handcuffs
This amazing organization is doing whatever it takes to help domestic violence victims survive on their own.
science funding
Science funding is wasting young careers. Here's how to fix it.
Basic science funding is a mess. Fixing it could radically improve the pace of innovation.
"q" probably won't make you rich, but it's an experiment worth watching
It's not the next Bitcoin (or a path to riches), but it's an intriguing idea.
Series | Challengers
An app for global trade
Flexport thinks bringing trade into the 21st century could improve lives around the globe.