One ragweed plant can release as many as one billion grains of pollen!
51
Iron weighs more after it rusts.
16
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
A cesium atom in an atomic clock beats over nine billion times a second.
43
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Each day, up to 150 species of life become extinct.
-23
The force of a suction cup is calculated using F=AP.
15