Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Your thumb is about the same size as your nose.
124
Enamel is hardest substance in the human body.
61
Tigers can see 6 times better at night than humans.
305
Pain occurs when sounds are above 130 db.
124
By weight, Bone is five times stronger than steel.
417
The human brain uses approximately as much energy as a 10 watt light bulb.
120