When Eric Markowitz suddenly began feeling a bit nauseous in January 2023, he thought it was just a bug. But within a day, his symptoms became severe. The scariest part was the vertigo, he recalls.

John and Ali Shadock were just a few years into their marriage — a romance that started at an Ikea furniture store — when he suddenly began experiencing severe headaches. He was 35 and healthy, and ...

So, you think you’ve got the kind of brain that holds on to random facts like a sponge? This quiz is here to put that to the test. From ancient history and world geography to science, literature, pop ...