Pain occurs when sounds are above 130 db.
124
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
If the human eye was a digital camera, it would have 576 megapixels.
25
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
35
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
We share 70% of our DNA with a slug.
218