A bison herd with calves travels through Lamar Valley, Yellowstone National Park. The park has proposed a cull of 1,000 bison, primarily cows and calves, this winter.
Neal Herbert/National Park Service/Flickr
A Butterball turkey for sale in November 2014, in Centreville, Va. Terms like "premium" and "raised without hormones" tell you little about the quality of the turkey or how it was raised.
Paul J. Richards/AFP/Getty Images
A hollow log hive in the Cevennes region of France reveals the details of circular comb architecture of the Western honeybee. New research shows the partnership between humans and bees goes back to the beginnings of agriculture.
Visitors watch a killer whale swim in a tank at SeaWorld in San Diego in 2006. A SeaWorld executive says orca shows at the San Diego park will be replaced with a more natural presentation by 2017.