When a man blows his nose, the air speed that comes out under pressure reaches 160 km per hour.
A pearl can be found in one of a thousand oysters, and only in one of three thousand mussels.
Scientists claim that every 14 days one language dies. By the end of the 21st century, it is likely that almost half of the approximately 7.000 languages will disappear.
The hippo can run faster than a man.
Ancient Greeks often carried their coins in their mouths, because the clothes did not have pockets.
0.85 liters of blood passes through the human brain every minute.
