Sound travels about 4 times faster in water than in air.
408
Balsa wood is classified as a hard wood!
41
Scientists are now able to grow 'beating' heart tissue in a lab!
162
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
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3