Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Sound travels fifteen times faster through steel than through air.
134
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Iron weighs more after it rusts.
68
A cesium atom in an atomic clock beats over nine billion times a second.
43
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Hot water can freeze faster than cold water.
181