Research indicates that plants grow healthier when they are stroked.
173
The force of a suction cup is calculated using F=AP.
15
The average temperature at 40,000 feet above sea level is -60 F.
56
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Most dust particles in your house come from dead skin.
48