The smell of freshly cut grass is actually a plant distress call.
31
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The bark of an older redwood tree is fireproof.
65
Sound travels about 4 times faster in water than in air.
408