Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The average sperm cell swims at 8 inches per hour.
76