A single speck of dust is half way in size between a subatomic particle and the Earth.
15
According to studies, men change their minds two to three times more often than women.
72
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Your brain is 80% water.
525
One third of the electricity produced on earth is used to power electric light bulbs!
75
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9