A cubic yard of air weighs about 2 pounds at sea level.
31
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
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 ragweed plant can release as many as one billion grains of pollen!
51
The earth is approx. 6,588,000,000,000,000,000 tons.
175
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21