Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Iron weighs more after it rusts.
68
One ragweed plant can release as many as one billion grains of pollen!
51
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
One cubic foot of gold weighs more than 1,200 pounds!
78
Your brain is 80% water.
525
Billions of neutrinos pass unnoticed through your body every second.
6
Pure water (H2O) does not conduct electricity on its own.
46