One 75-watt bulb gives more light than three 25-watt bulbs.
57
Out of all the senses, smell is most closely linked to memory.
146
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44