Out of all the senses, smell is most closely linked to memory.
146
Sound travels fifteen times faster through steel than through air.
134
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
One ragweed plant can release as many as one billion grains of pollen!
51
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15