If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
On average, there's 100 billion neurons in the human brain.
83
Yawns are more contagious among people with closer relationships.
163
You forget 90% of your dreams.
256
It takes approximately 12 hours for food to entirely digest.
93
All 13 minerals necessary for human life can be found in alcohol beverages.
282
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127