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Ag-Gag Law Blows Animal Activists' Cover


A Way To Save The Rhino, Just Not Its Horn

Rhino poaching is on the rise. The animal's horn is believed to have medicinal properties, and some say legalizing the trade could help squelch the black market. One controversial way to reduce poaching may be rhino ranches, where the horns are harvested for sale.

Stubborn As A Mule's Knot: Massaging Ornery Beasts

The famous pack mules that carry supplies and people in and out of the Grand Canyon have back pain. One man is on a mission to make the lives of these beasts of burden a little less painful.

Studying Locomotion With Rat Treadmills, Wind Tunnels


Gorilla Genome Sheds Light On Human Evolution


Can An Early Spring Confuse Nature's Clock?


Meet Claudia, The High-Tech Cow

At a modern dairy farm, the high-tech advances aren't in machinery. They're inside the cow.