A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Iron weighs more after it rusts.
16
Liquid TIDE laundry detergent glows under a blacklight.
96
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
According to studies, men change their minds two to three times more often than women.
72
Out of all the senses, smell is most closely linked to memory.
146
One ragweed plant can release as many as one billion grains of pollen!
51
Most dust particles in your house come from dead skin.
48