Our brains have a negativity bias and will remember bad memories more than good ones.
15
Chewing gum boosts your brain power.
285
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Moths are unable to fly during an earthquake.
328