If you have a broken phone, research suggests there's a chance that you secretly (or maybe not so secretly) allowed it to happen.
Are donkeys smart? Donkey intelligence is a real thing, and measuring it better might save them from extinction.
Researchers in Spain and the U.S. have come up with a test that measures donkey intelligence, which may help to breed donkeys with the traits that humans consider most useful.
The study linked afternoon naps to more happiness, more grit and self-control, higher verbal IQs, and better academic achievement.