Physicist Carlo Rovelli travels to the core of a black hole, where the arrow of time reverses and a white hole is born. More
Intelligent. Optimistic. Curious.
Interviews By Topic
Marjolijn van Heemstra is the poet laureate of Amsterdam. As her anxiety about climate change and other problems ratcheted up, she found solace in the larger cosmos and became a "dark sky" activist.More
Time may be a fundamental quality of the universe, but physicists still can't explain what time is. That hasn't stopped theoretical physicist Marcelo Gleiser from devoting much of his life to studying the origins of time and the formation of the cosmos.More
Ojibwe historian David Treuer thinks it’s time for a new kind of Native American narrative, with fewer stories of hardship and what he calls “trauma porn.” Treuer has written a sweeping counter-narrative of Native American history, “The Heartbeat of Wounded Knee.”More
Blackjack, slots, roulette, and sports betting are legal on Native-owned land because that’s where tribes have sovereignty. But what exactly does that mean? It’s complicated, says tribal gaming expert Steven Andrew Light.More
“Bad River” is Mary Mazzio’s documentary about a small tribe, the Bad River band of Lake Superior Chippewa, and their legal battle to get rid of an oil pipeline. She examines the conflicting ideas we have about how to live on the land and even whether it can be owned.More
Quannah ChasingHorse is both a Native American activist and a supermodel in the fashion industry. In her early twenties, she represents the next generation of activists working to protect Native land rights.More
The story of Mazotec healer Maria Sabina is a notorious example of how psychedelic enthusiasts have exploited the knowledge of Indigenous cultures they don’t really understand.More
Sutton King wants to change the culture around psychedelic medicines by confronting historical wrongs and getting Indigenous people into key decision-making roles in the psychedelic industry. More
Pharmaceutical companies have a long history of hunting for medicinal drugs, often in Indigenous cultures. Historian Lucas Richert tells the story of how one company went bioprospecting for peyote.More
Hinge points are moments of crisis where a new system can be made. Philosopher Nancy Fraser believes the particular crises we face today are so severe they actually present an opportunity.More
Over four decades, philosopher Nancy Fraser has worked to expose the deep roots that connect all the crises of our time: racial violence, environmental devastation, the impoverishment of families, challenges to democracy. Think of each as the toxic byproducts of capitalism.More
China Mieville is a writer best known for speculative fiction, but he's also written a lot about Marxism, most recently in a history of the Communist Manifesto called “A Spectre, Haunting."More
Tall Paul is an Anishinaabe and Oneida rapper enrolled on the Leech Lake reservation in Minnesota. His new album is called "The Story of Jim Thorpe." Charles Monroe-Kane spoke with him about Thorpe’s legacy, sports and hip-hop.More
Tool-making? Agriculture? Language? French neuroscientist Stanislas Dehaene believes there’s an even more basic cognitive skill that gave humans an evolutionary jump start — geometry.More
Math superstar Jordan Ellenberg reveals the geometrical underpinnings of pretty much everything — from pandemics to voting districts to the 14th dimension. If geometry is indeed "the cilantro of math," Ellenberg could convert even the most die-hard hater to the joy of shapes.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
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