Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
One third of the electricity produced on earth is used to power electric light bulbs!
75
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The sun is 330,330 times larger than the earth.
75
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The smell of freshly cut grass is actually a plant distress call.
31
One cubic foot of gold weighs more than 1,200 pounds!
78
Sound travels fifteen times faster through steel than through air.
134