153 flavors of ice cream. An acre of cold cereals. Why do supermarkets have so many choices? Or do they? Where we might see hundreds of flavors, varieties and brands of food, food journalist Simran Sethi sees a scary kind of sameness.More
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Science and Technology
In "Our Biggest Experiment," climate advocate Alice Bell traces the history of the scientists who have been studying the impact of humanity on the climate since 1856. She tells Anne Strainchamps that science has been critical for spurring the world to act. More
Lidia Yuknavitch’s apocalyptic novel “The Book of Joan” is one of the most stunning examples of climate fiction. It’s the story of a near-future where Earth is decimated and the last few survivors are stranded out in space.More
Scientists know what life does, but what life is… that’s a mystery, says astrobiologist Marcelo Gleiser. And geologist Bob Hazen believes we need a radically new understanding of how life evolved, which begins not with cells but with rocks.More
Not long ago, we thought decoding the human genome would reveal the secrets of life. That proved to be a fantasy. Now scientists are learning how to grow life outside the body — and as science writer Phil Ball discovered, even create mini-brains in a vat.More
Melanie Challenger is a naturalist who spends a lot of time in wild places. She’s intimately familiar with birth and death, and she believes any understanding of what it means to be human must start by tuning into our animal nature.More
Lulu Miller's latest project is a "Radiolab" podcast series for children: "Terrestrials." She explains for how nature and child-like sensibility can help adults rediscover a sense of wonder.More
When producer Angelo Bautista was growing up, he dreamed of being in the internet. Not on the internet, but inside of it. Now, he's torn about social media. He's still addicted to scrolling, but posting about his own life — that's another story. But if nobody sees you on the internet, do you exist? More
Just over 200 years ago, a group of renegade German writers and philosophers came together in a small town and forever changed who we think we are. Andrea Wulf tells this story in her book “Magnificent Rebels: The First Romantics and the Invention of the Self.” More
Infinity comes in different sizes. The idea of a world with more than one kind of infinity is glorious and also incomprehensible. Can you add, subtract and divide with infinity? More
The Netflix documentary “A Trip to Infinity” is a wild ride, filled with animated shorts by artists from 11 different countries illustrating the concept of infinity and where to find it.More
Michelle Thaller and Andrew Booth were a NASA space research power couple for 26 years. When Booth died of a rare brain cancer, Thaller turned to the universe for solace — finding comfort, meaning, and a new perspective in the infinite.More
Albert Einstein shaped much of our understanding of the space-time continuum, but few know he had a deeply spiritual side. Einstein believed in both math and mysticism, and saw the human mind as a mirror of the infinite.More
Jennifer Ackerman writes in her new book "What an Owl Knows: The New Science of the World’s Most Enigmatic Birds" about how owls are cryptic, hard to find, and difficult to understand. Speaking to Shannon Henry Kleiber, she said that’s part of the attraction.More
Mark Obmascik tells Anne Strainchamps about the biggest competition in North American bird-watching and how he got drawn into the quest.More
Christopher Benfey tells Anne Strainchamps why there was a hummingbird craze in 19th century Massachsetts, how artists and poets used them as symbols, and why they seem like winged jewels.More
Journalist Sebastian Junger had nearly died when reporting from war zones around the world, but nothing prepared him for the ruptured aneurysm that almost killed him. He's now trying to explain a mysterious encounter he had with his dead father.More
Scientists are revolutionizing our understanding of life and death. It’s now possible to revive patients hours after they’ve been declared clinically dead. Dr. Sam Parnia talks about these advances and the new science of near-death experiences. More