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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

Optometry is slightly different in different countries. For example, in the US and Canada, one must have a 4-year Doctor of Optometry degree before practicing optometry. These healthcare professionals are licensed to practice medicine using many types of eye treatments, from surgeries to providing glasses.

U.S. bills are hardly the most durable out there; they have an average lifespan of just under eight year. Compare that to the plastic cash used in Australia which can survive a full round in the washing machine and you’ll see why U.S. money is the laughing stock (gettit?) of the world.

Fall colors are caused by the amount of sugar in leaves. The more red in the leaf, the more sugar the leaf is storing. This is why Maple trees are so amazing, whereas Evergreens don’t change colors because their leaves have a thick wax covering that protects the chlorophyll in the leaves themselves.

Fact Lab