Billions of neutrinos pass unnoticed through your body every second.
6
One ragweed plant can release as many as one billion grains of pollen!
51
Balsa wood is classified as a hard wood!
41
The only letter not appearing on the Periodic Table is the letter "J".
180
Iron weighs more after it rusts.
68
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
One 75-watt bulb gives more light than three 25-watt bulbs.
57