Scientists in Germany have developed a candy that doesn't cause cavities.
11
The smell of freshly cut grass is actually a plant distress call.
31
Iron weighs more after it rusts.
68
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Aluminum used to be more valuable than gold!
84
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
A cubic yard of air weighs about 2 pounds at sea level.
31
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51