The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
One 75-watt bulb gives more light than three 25-watt bulbs.
57
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