Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The sun is 330,330 times larger than the earth.
75
In zero gravity, a candle's flame is round and blue.
16
The force of a suction cup is calculated using F=AP.
15
The storage capacity of human brain exceeds 4 Terrabytes.
140
Balsa wood is classified as a hard wood!
41
Sound travels fifteen times faster through steel than through air.
134
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79