The marathon Q&A sessions are back, along with the cream Oval Office rug and the Diet Coke button on the Resolute Desk. So, too, are the late-night social media posts that ricochet across the globe ...

“The exact reason these became vestigial is difficult to tell, as our ancestors lost this ability about 25 million years ago, ...

If you can wiggle your ears, you can use muscles that helped our distant ancestors listen closely. These auricular muscles ...