Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
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
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
The average home creates more pollution than does the average car.
33
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101