Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
At room temperature, the average air molecule travels at the speed of a rifle bullet.
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Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
One 75-watt bulb gives more light than three 25-watt bulbs.
57
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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The smell of freshly cut grass is actually a plant distress call.
31
Cold water weighs more than hot water.
93
If the chemical sodium is dropped into water it will immediately and violently explode.
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