Hannah Ritchie is a data scientist and the deputy editor of Our World in Data. She is also the author of Not the End of the World: How We Can Be the First Generation to Build a Sustainable Planet. Hannah’s problem is this: How do you use data to get past the doomsday headlines and solve big problems to achieve sustainability?

Check out Our World in Data: https://ourworldindata.org/

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Why has rabies invaded our nightmares for centuries? Author and veterinarian Monica Murphy tells us about the cultural history of rabies (which involves vampires and werewolves!) and how our long nightmare with the disease came to an end. Then, wildlife biologist Kathy Nelson tells us about a surprising program that works to control raccoon rabies… from the sky. Enjoy this episode from Incubation, another Pushkin podcast.

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After decades of research, gene therapy is starting to work. Shannon Boye is a professor of cellular and molecular therapeutics at the University of Florida. She is also the co-founder and chief scientific officer of Atsena Therapeutics. Shannon’s problem is this: How do you use gene therapy to cure certain forms of blindness?

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*Or at least, sort of bringing back mammoths and dodos.

Beth Shapiro is the chief scientific officer at Colossal Biosciences and the author of How to Clone a Mammoth: The Science of De-Extinction. Beth's problem is this: How do you use the tools of modern biology – and hundreds of millions of dollars – to bring back species that have been extinct for centuries? And on another level, Beth’s problem is explaining to the world what it really means (and doesn’t mean) to bring back an extinct species.

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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 faster than ever. On today’s show, we talk about those innovations with Lee Gray, who is possibly the world’s leading elevator historian and definitely a professor of architectural history at the University of North Carolina at Charlotte.

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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. It’s also super energy intensive. Karsten Temme is the co-founder and Chief Innovation Officer at Pivot Bio. Karsten's problem is this: How can you use the tools of gene editing to get microbes in soil to provide more nitrogen for crops?

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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 produce ethanol, which can become everything from polyester to jet fuel?

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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 Metals. The company recently made a huge copper discovery in Zambia, and is looking for other metals in other places. Kurt's problem is this: How do you use AI – machine learning, data science – to find the metals we'll need for the energy transition?

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