Out of all the senses, smell is most closely linked to memory.
146
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The sun is 330,330 times larger than the earth.
75
A cesium atom in an atomic clock beats over nine billion times a second.
43
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38