One ragweed plant can release as many as one billion grains of pollen!
51
Out of all the senses, smell is most closely linked to memory.
146
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
For every gallon of sea water, you get more than a quarter pound of salt.
45
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The bark of an older redwood tree is fireproof.
65
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16