In Erin Bryan’s 5th grade math classroom, TGIF takes on a whole new meaning. Fridays don’t just herald the coming weekend. They’re also game days. “They all come in here on Fridays pumped,” said Bryan ...

Marcus du Sautoy is a mathematician who loves games, travel, and, unsurprisingly, math. His new book is titled "Around the World in 80 Games: A Mathematician Unlocks the Secrets of the Greatest Games.

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A study published last week in the ...