Artificial light has essentially lengthened birds' day Millions of audio recordings of hundreds of bird species have revealed that artificial light is making the birds wake up earlier and go to bed later. Nell Greenfieldboyce
New study raises questions about effectiveness of wolf hunting as a tool to help ranchers One of the goals of controversial wolf hunts in the Western U.S. is to help reduce the burden on ranchers, who lose livestock to wolves every year. A new study finds that those hunts have had a measurable, but small effect on livestock depredations. Nathan Rott
Chimpanzees pick up communication styles from their moms, not their dads A new study finds that chimpanzee babies learn vocal and visual communication patterns from their mothers. The findings may shed light on the way human babies learn from those close to them. Ari Daniel
Why the origin of the word 'dog' remains a mystery Although "dog" is ubiquitous today to describe man's best friend, it remains a mystery where the word originally came from. Juliana Kim
Texas big game hunter killed while stalking African Cape buffalo Asher Watkins had been tracking a cape buffalo for the kill when the animal instead turned its attack on the hunter. Alana Wise
Study suggests humans' ability to communicate goes back farther than we thought A new study finds that chimpanzee babies pick up communication styles from their mothers. Ari Daniel
A zoo in Denmark asked patrons to donate their pets. Not as attractions, but for food The Aalborg Zoo in Denmark said it would take certain surplus pets such as chickens, rabbits and guinea pigs to be "gently euthanized" and fed to its captive predators. Alana Wise
These researchers are using radiation to protect rhinos We speak with James Larkin, the head of a project in South Africa that's experimenting with using radiation to prevent rhino poaching. They sedate the animals and inject radiation into their horns. Juana Summers
Study finds female mountain gorillas prefer to join 'buddies' A long-term study of mountain gorillas finds that when female gorillas move into a new group, they pick one that contains buddies they've lived with before. Nell Greenfieldboyce
Researchers find some bird parents get 'divorced' after breeding A new study from Oxford University finds that a common European songbird sometimes divorces its partner between breeding seasons. Geoff Brumfiel