Some 5,000 to 7,000 years ago, the diversity of Y chromosomes plummeted. A new analysis suggests clan warfare may have been the cause. Christopher Intagliata reports.
Imagine for a moment that you’re a very hungry bird soaring over 30-foot ocean swells in high winds, with no land for thousands of miles.
How do you know where you’re going?
If you’re a wandering alba...
The moon has guided our movements and cultures, and though we may think we know it well, it still guards some of its deepest secrets from us. A new book from Rebecca Boyle take us on a deep dive into ...
In 2013 a new user named Cleo took an online math forum by storm with unproved answers. Today she’s an urban legend. But who was she? 2023 editor's pick....