Billions of neutrinos pass unnoticed through your body every second.
6
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Sound travels about 4 times faster in water than in air.
408
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118