By weight, Bone is five times stronger than steel.
417
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
A singing birthday card has more computing power than the allied forces in 1945.
30
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
11