Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
A cesium atom in an atomic clock beats over nine billion times a second.
43
Iron weighs more after it rusts.
16
German chemists made a replica of a trophy the size of one molecule.
68
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79