Although famous throughout the world, Pythagoras’ life is shrouded in mystery. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Born in ...

Pythagoras realized that these harmony-producing ratios all involved the numbers 1, 2, 3 and 4. Therefore, he concluded, their sum, 10, was the key number for developing a theory of the universe.

Ne’Kiya Jackson and Calcea Johnson have published a paper on a new way to prove the 2000-year-old Pythagorean theorem. Their work began in a high school math contest.