All 13 minerals necessary for human life can be found in alcohol beverages.
282
The human brain uses approximately as much energy as a 10 watt light bulb.
120
You can't tickle yourself.
29
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
On average, there's 100 billion neurons in the human brain.
83