Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The only letter not appearing on the Periodic Table is the letter "J".
180
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
A ball of glass will bounce higher than a ball made of rubber.
73
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