Indoor pollution is 10 times more toxic than outdoor pollution.
62
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Sound travels about 4 times faster in water than in air.
408
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39