Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The force of a suction cup is calculated using F=AP.
15
In zero gravity, a candle's flame is round and blue.
16
The average home creates more pollution than does the average car.
33
According to studies, men change their minds two to three times more often than women.
72