At the Galileo Museum in Florence, there’s a dazzling collection of old scientific instruments, including the telescope Galileo used to discover new moons. Cosmologist Marcelo Gleiser explains how Galileo revolutionized the scientific worldview.More
At the Galileo Museum in Florence, there’s a dazzling collection of old scientific instruments, including the telescope Galileo used to discover new moons. Cosmologist Marcelo Gleiser explains how Galileo revolutionized the scientific worldview.More
Astrophysicist Adam Frank says there’s an emerging science of “planetary intelligence,” which regards the Earth itself as sentient. It’s a radical idea, with far-reaching implications, and it may just help save the planet. More
A Maori conservationist in New Zealand, Mere Takoko is arguing for granting personhood for whales, who she says are her Indigenous Polynesian ancestors.More
Scientists at Project CETI exploring the sounds of whales have found a “sperm whale phonetic alphabet.” Carl Zimmer, author and science writer for The New York Times, puts the latest whale communications research and news into perspective.More
Marine biologist Shane Gero has spent decades listening to whale conversations. Through Project CETI, he’s found recent success using technologies like artificial intelligence to better understand what whales are saying. More
Roger Payne revolutionized the science of whale biology by discovering the songs of humpback whales. In this 1995 interview, Payne (who died in 2023) described the thrill of touching a whale, and why he fears for the future of whales.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
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
Physicist Carlo Rovelli travels to the core of a black hole, where the arrow of time reverses and a white hole is born. 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
Artist Katie Paterson works with melting glaciers, fossilized insects and the dust from meteorites to help us expand our time horizons. Her art bridges cosmic and human timescales, revealing the beauty in vast temporal expanses.More
Philosopher and conceptual artist Jonathon Keats engineers monumental-scale clocks that run on “river time” or “arboreal time” to un-standardize our atomic time. He says we need to make time more pluralistic, to envision a kind of chrono-diversity.More
Acoustic ecologist and sound artist Alex Braidwood has recorded many dawn choruses, from first-light to full sunrise, in his Iowa backyard and all over the world. On his album, “Serotinous Repose,” he turns the dawn chorus into music.More
People in these disaster zones now face an agonizing choice: rebuild or relocate? Urban planner Brian Stone says we need radical new thinking for our cities to survive.More
Lightning hitting your house or a storm flooding your basement used to be an “act of God.” But can you call a flood or wildfire a “natural” disaster if climate change is the cause and humans failed to prevent the calamity? More
Writer Annalee Newitz has spent a lot of time walking around ancient lost cities and imagining future human civilizations on other planets. Newitz is a hard-headed, realistic optimist who believes the one technology that can save us is stories.More
Plant scientist Monica Gagliano did a series of groundbreaking experiments that suggest plants have intelligence. But she hasn’t talked—until now—about the leap of faith she took when a plant told her to go on a darkness retreat—for 39 days.More
Roland Griffiths helped pioneer the use of psychedelics to treat people with cancer who are scared of dying. Then he got his own terminal diagnosis. He talked with Steve Paulson in January 2023 about his personal LSD journey when he "talked" with his cancer.More