Sound at the right vibration can bore holes through a solid object.
134
Nearly 50% of the world's scientists are assigned to military projects.
71
Scientists aren't sure what color dinosaurs were.
312
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
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Most dust particles in your house come from dead skin.
48