Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Nearly 50% of the world's scientists are assigned to military projects.
71
Hot water can freeze faster than cold water.
181
The smell of freshly cut grass is actually a plant distress call.
31
A cesium atom in an atomic clock beats over nine billion times a second.
43
A ball of glass will bounce higher than a ball made of rubber.
73
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
Sound at the right vibration can bore holes through a solid object.
134