Sound at the right vibration can bore holes through a solid object.
134
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Your brain is 80% water.
525
The average home creates more pollution than does the average car.
33