The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
No matter how cold it gets, gasoline will not freeze.
107
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65