The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Most dust particles in your house are made from dead skin!
67
In zero gravity, a candle's flame is round and blue.
16
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Scientists are now able to grow 'beating' heart tissue in a lab!
162
One 75-watt bulb gives more light than three 25-watt bulbs.
57