One ragweed plant can release as many as one billion grains of pollen!
51
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The bark of an older redwood tree is fireproof.
65
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The only letter not appearing on the Periodic Table is the letter "J".
180
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
No matter how cold it gets, gasoline will not freeze.
107