Indoor pollution is 10 times more toxic than outdoor pollution.
62
One cubic foot of gold weighs more than 1,200 pounds!
78
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
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Sound at the right vibration can bore holes through a solid object.
134
Your brain is 80% water.
525