A human being loses an average of 40 to 100 strands of hair a day.
133
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
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
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
