The earth is approx. 6,588,000,000,000,000,000 tons.
175
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Out of all the senses, smell is most closely linked to memory.
146
The sun is 330,330 times larger than the earth.
75
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Balsa wood is classified as a hard wood!
41
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20