One 75-watt bulb gives more light than three 25-watt bulbs.
57
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
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
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Cold water weighs more than hot water.
93
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61