Each day, up to 150 species of life become extinct.
-23
One ragweed plant can release as many as one billion grains of pollen!
51
The force of a suction cup is calculated using F=AP.
15
Cold water weighs more than hot water.
93
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Sound travels fifteen times faster through steel than through air.
134
Out of all the senses, smell is most closely linked to memory.
146
