Most dust particles in your house are made from dead skin!
67
The smell of freshly cut grass is actually a plant distress call.
31
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
One barrel of petroleum holds 42 gallons.
20
A cesium atom in an atomic clock beats over nine billion times a second.
43