Scientists aren't sure what color dinosaurs were.
312
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
For every gallon of sea water, you get more than a quarter pound of salt.
45
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The bark of an older redwood tree is fireproof.
65
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The smell of freshly cut grass is actually a plant distress call.
31