Karen Kaplan

A new analysis of genetic material gathered from a live-animal market in Wuhan in the early weeks of the COVID-19 pandemic strengthens the case that the outbreak originated there when the coronavirus jumped from infected animals to humans, scientists said. […]

Approximately 600 times a day, the esophagus ferries whatever is in your mouth down to your stomach. It’s usually a one-way route, but sometimes acid escapes the stomach and travels back up. That can damage the cells lining the esophagus,

Roughly half of Americans subscribe to to some sort of conspiracy theory, and their fellow humans haven’t had much success coaxing them out of their rabbit holes. Perhaps they could learn a thing or two from an AI-powered chatbot. In

These days, there’s no surer way to start a fight than to talk politics with someone who disagrees with you. And with election day drawing near, political conversations are increasingly difficult to avoid. You could muddle your way through the

In the early days of the COVID lockdown, Hiroyuki Egami was desperate to get his hands on a Nintendo Switch. He already had one of the handheld game devices, but he also had two sons who were old enough to

It was the year COVID-19 vaccines became widely available, and the pandemic’s startling death toll in California and elsewhere appeared close to being reined in. Instead, life expectancy in California fell by more than 8 months in 2021, dropping the

After his heartfelt reaction to his father’s acceptance speech at the Democratic National Convention thrust him into the spotlight, 17-year-old Gus Walz has become one of the most high-profile people with nonverbal learning disorder. The condition doesn’t mean Gus can’t