7 Signs That Humans Are Domestic Animals

Tens of thousands of years ago, humans were wild animals. Our ancestors roamed the land in search of food by day, and huddled together for safety by night. But then something changed. We domesticated ourselves, and this process didn't just change us profoundly — it changed a lot of other life forms around us, too. » 6/05/14 10:00am 6/05/14 10:00am

Friendly dolphins help Brazilian fishermen to catch fish

We think of dolphins as playful — but they may also be more cunning than we ever realized. A subset of the dolphin population in Laguna, Brazil has started cooperating with human fishing expeditions. The dolphins will help people get better catches, in return for whatever the fisherman discard. They'll drive schools… » 5/04/12 6:30am 5/04/12 6:30am

Why some animals can never be domesticated

Dogs, sheep, pigs, cows, horses - all these animals and more have been fundamentally changed by humans to make our lives better. Domestication has fundamentally altered the course of human history, reshaping the land and other species to fit our new agricultural lifestyle. But how do you take a wild species and turn… » 2/09/11 1:48pm 2/09/11 1:48pm

Our brains are shrinking...and why this actually means we're getting smarter

Over the last 30,000 years, the human brain has decreased about 10% in size. This might seem like proof that we're not as smart as our ancient ancestors, but the truth is a little more complicated than that. Our brains aren't just getting smaller - they're also getting more efficient. » 2/06/11 9:00am 2/06/11 9:00am