Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
Sex burns about 360 calories per hour.
860
It takes about 20 seconds for a red blood cell to circle the whole body.
102
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
Dieters who sleep more take off more fat that those who sleep less.
159
Human thigh bones are stronger than concrete!
63
Men have larger hearts; women's hearts beat faster.
77