A cesium atom in an atomic clock beats over nine billion times a second.
43
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
In zero gravity, a candle's flame is round and blue.
16
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Pure water (H2O) does not conduct electricity on its own.
46
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The smell of freshly cut grass is actually a plant distress call.
31