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Jun. 15, 2012

Neanderthals: The Oldest Cave Painters?

A red disk painted in a Spanish cave over 40,800 years ago could be the work of Neanderthals.

cave art, archeology, anthropology, neanderthals, neandertals, spain, altamira cave, Altamira, El Castillo, Tito Bustillo, Uranium-series dating

Sep. 07, 2012

Tour a Bat Cave

Nickolay Hristov uses a long-range laser scanner and portable thermal cameras to see bats in new ways.

echolocation, bats, nature, thermal imaging, thermal camera, bat cave, cave morphology

Mar. 07, 2008

How Old is the Grand Canyon?

New research gives a date to the start of the formation of the Grand Canyon -- 17 million years ago.

geology, speleology, caves, grand canyon, erosion

Mar. 12, 2010

Cave Science

Ready to go spelunking? Live from the cave state--that's Missouri--we'll get an inside look at the biology, geology, and history of the underground attractions that gave the state its name.

missouri, caves, geology

Jul. 08, 2011

Archaic Texan Rock Art Reveals Prehistoric Culture

The arid Texas climate preserved rock art painted by early Native American groups.

cave art drawing rock art texas indian paleoglyphs cave painting

AVAILABLE IN ITUNES

Michael Pollan Talks Plants and Food

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Happy Thanksgiving!

BOOKS BY OUR GUESTS

Mystery Box

Meet The Balloonatics

\tIt's crunch time for the 'balloonatics' at Macy's Parade Studio. The balloons themselves, which are designed and fabricated in a warehouse in New Jersey, are getting their final checkup before the Macy's Thanksgiving Day Parade. John Piper and Jim Artle take us around the studio and spill the secrets of inflation, explain how to calculate whether your balloon will float, and explain why the balloons look better after a little time in the sun.

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