The bark of an older redwood tree is fireproof.
65
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Sound travels about 4 times faster in water than in air.
408
Cold water weighs more than hot water.
93
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The sun is 330,330 times larger than the earth.
75