Iron weighs more after it rusts.
68
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The average home creates more pollution than does the average car.
33
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
German chemists made a replica of a trophy the size of one molecule.
68
Research indicates that plants grow healthier when they are stroked.
173
Liquid TIDE laundry detergent glows under a blacklight.
96
Pure water (H2O) does not conduct electricity on its own.
46