Of all the words Dr. Seuss made up in his storybooks, only one has stuck in the English vocabulary: grinch, which is refers to a killjoy -- and it took more than 20 years.

Millie the White House dog earned more than 4 times as much as President Bush in 1991. And, rightfully so.

Googol is a number (1 followed by 100 zeros).

AMAZING FACTS