Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
A cesium atom in an atomic clock beats over nine billion times a second.
43
Your brain is 80% water.
525
Iron weighs more after it rusts.
16
The smell of freshly cut grass is actually a plant distress call.
31
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
4.5 pounds of sunlight strike the Earth each day.
27