Daphne Sheldrick grew up on a farm in Kenya, raised orphaned animals and later became co-warden of Tsavo National Park. She describes the wonders of elephants.
Intelligent. Optimistic. Curious.
Audio
Scientists believe that near-death experiences are real, but there is much debate why they occur and what they might mean. Here's a quick primer on some of the leading thinkers in the field.
David Gessner is a nature writer who's sick of nature and most nature writing.
A philosopher and musician enjoys playing his clarinet with animals, especially whales.
Bill Bryson talks with Jim Fleming about the personal stories of some of the people who made great scientific discoveries.
He traveled the Amazon in search of drug-induced visionary experiences. That wild adventure led to a lifelong study of hallucinogens.
As Dan Pierotti's health worsens, and the end of his life nears, Dan and his wife confront questions about quality of life and saying goodbye.
Amanda Lindhout was kidnapped in Somalia and held for 460 days. She believes the key to her survival and healing is learning to forgive her kidnappers.
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