Scientific American

What would the world look like if we changed the value of pi? Whether in the real world or a game environment, the answer is complex

The noperthedron has a surprising property—which disproves a long-standing conjecture

An analysis suggests Nanotyrannus is a separate, smaller dinosaur that lived alongside T. rex, settling a 30-year debate

Separate brain processes cope with moment-to-moment versus big-picture experiences, which helps explain how parenting both increases and decreases aspects of well-being

Are we the only rational thinkers? New research on our primate cousins suggests otherwise

Russian leader Vladimir Putin claimed his nation conducted a successful flight of a nuclear-powered cruise missile. Here’s how that missile might work