In Cicero’s dialogue “On Old Age,” the great Roman statesman Cato tells us how he occupies his time once he is no longer able to take an active role in public life. First, he was busy on the seventh ...

The Vegan Museum wants you to know all about the history of vegetarianism. Vegetarians used to be called Pythagoreans in an ode to the famed Greek mathematician, Pythagoras. Known for his Pythagorean ...

Most people don’t remember math class, but they do remember Pythagoras. Greek philosopher and mathematician, he is credited with one of the handiest formulae any school student could know: A squared ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...