The bark of an older redwood tree is fireproof.
65
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
One 75-watt bulb gives more light than three 25-watt bulbs.
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
The smell of freshly cut grass is actually a plant distress call.
31
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42