Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The only letter not appearing on the Periodic Table is the letter "J".
180
The sun is 330,330 times larger than the earth.
75
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44