Cat's urine glows under a black light.

The words racecar and kayak are the same whether they are read left to right or right to left.

Did you know that with sex you burn 360 caloiries per hour.

"Rhythm" is the longest English word without a vowel.

Did you know that 111,111,111 x 111,111,111 = 12,345,678,987,654,321 is?

The original game of "Monopoly" was circular.

China has more English speakers than the United States.

Did you know that the cremation of an adult takes 90 minutes?

"I am." is the shortest complete sentence in the English language.

Celery has negative calories! It takes more calories to eat a piece of celery than the celery has in it to begin with.