Enamel is hardest substance in the human body.
61
The human brain has the capacity to store everything that you experience.
4k
Yawns are more contagious among people with closer relationships.
163
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92