When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The sun is 330,330 times larger than the earth.
75