One ragweed plant can release as many as one billion grains of pollen!
51
The only letter not appearing on the Periodic Table is the letter "J".
180
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Nylon is made from coal and petroleum.
42
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The bark of an older redwood tree is fireproof.
65