Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
A comet's tail always points away from the sun.
2
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
Strawberries are in the same plant family as roses.
13
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Dogs can make about 100 different facial expressions.
18