With the advent of the iPhone and iPad, new apps have come out of the woodwork. Educational apps for kids take up a huge piece of the market. And, I swear, half of those are ABC apps. But, among the ...

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Before being mortally wounded in a duel at age 20, Évariste Galois discovered the hidden structure of polynomial equations. By studying the relationships between their solutions — rather than the ...

This article was originally published in Chalkbeat. During Gayathri Ramkumar’s favorite lesson — a sort of mathematical guessing game — she’ll hear her students asking their partners things like, “Can ...