Current Biology

Scientists Potty Train Cows To Use ‘MooLoo’ -- No Bull

Turns out cows can be potty trained as easily as toddlers. Maybe easier.
By Seth Borenstein, AP

Here's Why Yawns Are So Contagious

Trying to stop yourself from yawning makes you want to yawn more.
By Sara G. Miller, Live Science

Aging Monkeys Choose Their Friends Wisely, Study Says

Sound familiar?
By