- There are over 12,400 wild Cheetahs still around in Africa. The current theory is that their lack of genetic diversity traces back to the last ice age.
- Gas taxes are usually priced per gallon, not computed as a sales tax. So, the percent burden of gas tax has decreased with the cost of gas. However, some states apply sales tax to gasoline sales, and 'pay at the pump' fees to credit card companies are usually a percentage of the sale cost.