The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
16
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
Dell's first advertisement was made on the back of a pizza box.
78
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
The human brain is more active during sleep than during the day.
28
Chewing gum boosts your brain power.
285