Nature

reindeer

Piers Vitebsky is an anthropologist who studies the Eveny — also known as the "Reindeer People of Siberia." He tells Steve Paulson they keep herds of reindeer for meat, but also have personal, consecrated reindeer animal doubles, which they believe will die for them.

"Bodyworlds" exhibit

"We're all of us guinea pigs in the laboratory of God.  Humanity is just a work in progress."  So said Tennessee Williams.  Inventor and visionary Ray Kurzweil believes the new, improved version of humanity could feature computers the size of blood cells implanted in our brains....

Arches National Park landscape. NPS Photo by Jacob W. Frank

Steve presents a profile of Edward Abbey, whose book "Desert Solitaire" changed the way people thought about the desert. Abbey inspired many of today's environmental activists. We hear excerpts from Abbey's work and his admirers.

A still from "Fantastic Fungi." (Moving Art)

Fungi contain vast, untapped potential, says Louie Schwartzberg — to remediate pollution, reverse climate change, even address chronic disease and mental disorder — something he argues in his film "Fantastic Fungi."

Clockwise: Wheat in a field, flint corn, kamut grains, and the Svalbard Global Seed Vault.

Most of us get our food from the grocery store, not the fields where it grows. But if you really want to understand where our food comes from — and the potential threats to the food supply — you have to think about seeds.

eyes

Squirrels and pigeons share our sidewalks and park benches. Crows pick through our trash, rabbits munch on our lawns. They watch us; we ignore them. What would change if we actually met their eyes? 

Lips curled back

"Disgustologist" Valerie Curtis talks about a powerful driver of human emotion.

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