After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
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
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
In one day, adult lungs move about 10,000 litres of air.
11
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197