German chemists made a replica of a trophy the size of one molecule.
68
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Pumice is the only rock that floats on water.
14
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The smell of freshly cut grass is actually a plant distress call.
31
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5