Physicist Carlo Rovelli travels to the core of a black hole, where the arrow of time reverses and a white hole is born.
Intelligent. Optimistic. Curious.
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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.
Yuria Celidwen has a wide-ranging critique of how the modern psychedelic movement is taking shape. She was the lead author of a recent article in Lancet arguing for new ethical guidelines for using psychedelics — what she calls “spirit medicine.”
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.
Sami Schalk is the author of “Black Disability Politics,” a history of disability rights and Black activism. She says understanding Black disability politics is essential to building an accessible future.
Rae Johnson is a somatic movement therapist and the author of “Embodied Activism.” They say the process of making change is more sustainable when you listen to your body.
Dustin Mater is a Chickasaw artist who's fascinated by ancient rock art. He says these images resonate with stories he heard from tribal elders, which he uses as inspiration for his own art.
Behavioral neurologist Michael Trimble takes us on an evolutionary journey to unpack one of the few things that make Homo sapiens unique — we cry emotional tears.
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