Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Early American humans hunted car-size armadillos and used their shells for houses.
12
The human sigh acts as a physiological reset button.
23
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
In one day, adult lungs move about 10,000 litres of air.
11
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
Our brains have a negativity bias and will remember bad memories more than good ones.
15