The bark of an older redwood tree is fireproof.
65
A cesium atom in an atomic clock beats over nine billion times a second.
43
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Aluminum used to be more valuable than gold!
84
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13