There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
The average sperm cell swims at 8 inches per hour.
4
You can't tickle yourself.
29
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Babies crawl an average of 200m a day.
212
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32