One ragweed plant can release as many as one billion grains of pollen!
51
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
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The only letter not appearing on the Periodic Table is the letter "J".
180
Sound travels fifteen times faster through steel than through air.
134
Billions of neutrinos pass unnoticed through your body every second.
6
The storage capacity of human brain exceeds 4 Terrabytes.
140