The average sperm cell swims at 8 inches per hour.
76
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
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
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The human sigh acts as a physiological reset button.
23
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
The human brain doesn't stop developing until about 25 years old.
102