One barrel of petroleum holds 42 gallons.
20
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
According to studies, men change their minds two to three times more often than women.
72
German chemists made a replica of a trophy the size of one molecule.
68
No matter how cold it gets, gasoline will not freeze.
107
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9