Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
The tongue is the strongest muscle in the human body.
50
The lifespan of a tastebud is ten days.
130
The human brain is more active during sleep than during the day.
28
People who sleep late have more mental stamina and can outperform early risers.
33
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
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