When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
You forget 90% of your dreams.
256