Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Billions of neutrinos pass unnoticed through your body every second.
6
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The average temperature at 40,000 feet above sea level is -60 F.
56
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The bark of an older redwood tree is fireproof.
65
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20