The force of a suction cup is calculated using F=AP.
15
One ragweed plant can release as many as one billion grains of pollen!
51
Research indicates that plants grow healthier when they are stroked.
173
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Cold water weighs more than hot water.
93
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39