One ragweed plant can release as many as one billion grains of pollen!
51
Pure water (H2O) does not conduct electricity on its own.
46
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Pumice is the only rock that floats on water.
14
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Your brain is 80% water.
525
Billions of neutrinos pass unnoticed through your body every second.
6