Every 40 minutes approximately 40 million skin cells die on a man. If we gather them all in one place we could fill up a four-story building.
It is believed that average person dreams about 1.400 times a year.
The largest country in the world is Russia, it has 37.000 kilometers of coastline and it reaches three oceans: Atlantic, Arctic, and the Pacific Ocean.
Cleopatra's Needle, which is now located at Central Park in New York was once part of a sundial.
The first city in the World that has reached one million inhabitants was Rome, around 133 BC. London got its one million inhabitants in 1810, and New York in 1875. Today, there are over 300 cities with more than a million inhabitants.
The temperature of a raindrop is on average lower than the air temperature by about 3 degrees Celsius.