The elevator made the modern city possible: No elevators, no skyscrapers. Today, people are working on entirely new kinds of elevators that can go higher and ...

The invention of synthetic fertilizer was one of the key breakthroughs of the 20th century. It’s the reason we can grow enough food to feed billions of people. ...

Jennifer Holmgren is the CEO of LanzaTech. Her problem is this: How do you capture pollution from factories, feed it to bacteria, and get the bacteria to ...

Moving from fossil fuels to renewable energy will require huge amounts of copper, lithium, and other metals. Kurt House is the co-founder and CEO of KoBold ...

Dalial Freitak and Annette Kleiser are the co-founders of Dalan Animal Health, a company that has brought to market the first vaccine for insects. Their ...

Sean Hunt is the co-founder and CTO of Solugen, a company that sells around $100 million a year of industrial chemicals. Sean’s problem is this: How do ...

Refrigeration is an underrated technology. It completely transformed what billions of people eat every day.  Today’s guest, Nicola Twilley, tells the story of ...

As generative AI tools improve, it is becoming easier to digitally manipulate content and harder to tell when it has been tampered with. Today we are talking ...

Aluminum is the most abundant metal in the Earth’s crust. It’s cheap, ubiquitous, and surprisingly energy dense. Peter Godart is the co-founder and CEO of ...

Sarah Rudd is the co-founder and CEO of the soccer analytics company src | ftbl (It’s pronounced “Source Football.”) Sarah’s problem is this: How do you model ...