By weight, Bone is five times stronger than steel.
417
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
When your face blushes, the lining of your stomach turns red, too.
154
Deep Breathing gives you health benefits similar to aerobics.
39
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Those who get out of bed by 7am are more likely to be thinner and happier.
20
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44