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
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A cesium atom in an atomic clock beats over nine billion times a second.
43