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Math Quiz

Are you ready to have your math skills put through their paces? This entertaining and completely free quiz will put your arithmetic prowess to the test! The questions start off easy but get increasingly more challenging toward the end. Curious to see how well you score? Let's find out.

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Fact Lab

Getting onto ‘Jeopardy!’ is no easy feat. There is a better chance of writing a ‘New York Times’ bestseller (one in 220) than competing on the show (0.4% chance). So, unless you’re one of the lucky ones, you might have to start writing that novel before you warm up the buzzer in your hand!

Plenty of professional card tournaments use completely plastic cards. This means that they're less-easily damaged during extensive use and also that people can't leave marks on them. No crafty cheating in here!

Researchers believe that a planet outside of our solar system could be largely made of diamond. “55 Cancri e” has a mass which is about 1/3 carbon. The temperature and pressure in its interior have likely pressurized this carbon into diamond.

Fact Lab