The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Pain occurs when sounds are above 130 db.
124
You can't tickle yourself.
29