Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Hot water can freeze faster than cold water.
181
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Brass doorknobs automatically disinfect themselves in about 8 hours.
18