Diamonds can be shattered with a hammer.
-104
Most dust particles in your house are made from dead skin!
67
One ragweed plant can release as many as one billion grains of pollen!
51
Sound travels about 4 times faster in water than in air.
408
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Research indicates that plants grow healthier when they are stroked.
173