Balsa wood is classified as a hard wood!
41
Pumice is the only rock that floats on water.
14
The sun is 330,330 times larger than the earth.
75
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
One 75-watt bulb gives more light than three 25-watt bulbs.
57
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71