Iron weighs more after it rusts.
68
In zero gravity, a candle's flame is round and blue.
16
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
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
Brass doorknobs automatically disinfect themselves in about 8 hours.
18