Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
It would take more than 150 years to drive a car to the sun.
569
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
In 1995, a man named Shawn Nelson stole a tank from the US Army and took it for a joyride on a highway in California.
12
Cows can sleep standing up, but they can only dream lying down.
745
In 2012, as phone booths become increasingly obsolete because of mobile phones, a Japanese artist has turned several booths in Osaka into aquariums.
7
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5