• There are currently thirteen potato-battery-powered vehicles registered in the state of California.

• Due to "junk genes", identical twins share only about 98.5 percent of their DNA.

• Residents of Hawaii are the most likely to be struck by lightning, Alaska the least.

• 2005 was the third year running that there were more spam e-mails sent than cans of SPAM sold.

• Both Ozzie and Harriet Nelson had at least three extra-marital affairs each during their marriage.