4.5 pounds of sunlight strike the Earth each day.
27
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
No matter how cold it gets, gasoline will not freeze.
107
A cubic yard of air weighs about 2 pounds at sea level.
31
Out of all the senses, smell is most closely linked to memory.
146
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
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