A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The smell of freshly cut grass is actually a plant distress call.
31
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Billions of neutrinos pass unnoticed through your body every second.
6
Hot water can freeze faster than cold water.
181
One barrel of petroleum holds 42 gallons.
20