Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
A ball of glass will bounce higher than a ball made of rubber.
73
The sun is 330,330 times larger than the earth.
75
4.5 pounds of sunlight strike the Earth each day.
27
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
One cubic foot of gold weighs more than 1,200 pounds!
78
If the chemical sodium is dropped into water it will immediately and violently explode.
67