One cubic foot of gold weighs more than 1,200 pounds!
78
4.5 pounds of sunlight strike the Earth each day.
27
Sound travels fifteen times faster through steel than through air.
134
Each day, up to 150 species of life become extinct.
-23
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
One ragweed plant can release as many as one billion grains of pollen!
51
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21