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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

Women are able to perceive reds and oranges better than men. The ability to see red is attached to the X chromosome and women have two X chromosomes, allowing them to perceive the red-orange spectrum better.

Not all musicians use the classical notation system to read and play music. In fact, most country music recording sessions use what’s called the Nashville Number System. This system replaces the classical Do, Re, Mi, scale with numbers, which makes reading sheet music more accessible to those without extensive training in music theory.

Foxes are very vocal animals and can make over 40 different types of sound to communicate with other animals. They also have a distinctive ‘scream’ sound to scare predators away. It is very disconcerting and when heard in a city many people mistake it for a human scream.

Fact Lab