Your fingernails grow faster in summer.
744
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Hot water can freeze faster than cold water.
181
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13