70% of life on Earth consists of bacteria.
Famous composer Ludwig van Beethoven (1770-1827), died of a liver failure. The researchers found that by examining the DNA of one of his strands of hair.
Every second the Earth is struck about hundred times by lightning, while four times more lightnings flash in the sky. Lightning can be anywhere from 60 meters to 30 kilometers long.
Grand piano consists of about 12.000 parts.
Electric eels can regenerate their muscles and fins.
On average, adults laugh fifteen times a day.