4.5 pounds of sunlight strike the Earth each day.
27
Nylon is made from coal and petroleum.
42
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Out of all the senses, smell is most closely linked to memory.
146
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18