Human hair and fingernails continue to grow after death.
7
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
You can't tickle yourself.
29
On average, there's 100 billion neurons in the human brain.
83
Only humans shed emotional tears.
331
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
The human brain uses approximately as much energy as a 10 watt light bulb.
120