When I first became a doctor, I cared for an older man whom I’ll call Ted. He was so sick with pneumonia that he was struggling to breathe. His primary-care physician had prescribed one [...]

From the moment that Joe Biden announced his candidacy for President, in 2019, he has been attacked as being too old. At the time, Biden was seventy-six and cast himself as a “transitional” [...]

Ana Santos, a microbiologist at Rice University, grew up in Cantanhede, a small city in Portugal that is known as a biotechnology hub and a source of good wine. When she was a child, her [...]

In December, 2021, a few weeks after the Omicron variant emerged to spark a new, punishing phase of the covid-19 pandemic, Jim Lester’s birds got sick. Lester, who owns an exhibition farm in [...]

Some of my earliest memories are of summers with my grandparents, in New Delhi. I spent long, scorching months drinking lassi, playing cricket, and helping my grandparents find ripe mangoes at [...]

In a report sure to find its place in the annals of politically damaging exonerations, Robert Hur, the special counsel appointed to investigate Joe Biden’s handling of classified documents, [...]

Ryan Crownholm, a middle-aged Army veteran with luminous green eyes and a strong jawline, likes to describe himself as a health hacker. He has written on LinkedIn that, after founding and running [...]

A century ago, August Krogh, a Danish physiologist who had just won the Nobel Prize, embarked on a U.S. lecture tour. Krogh studied the intricate network of blood vessels that nourish our [...]

Four and a half years ago, in the heat of an N.B.A. playoff game against the Houston Rockets, Kevin Durant, the superstar forward of the Golden State Warriors, dodged a defender, dribbled once, [...]

Call it the first wave of the endemic, a bona-fide covid bump. The statistics may be hard to parse—the United States stopped systematically collecting data on coronavirus cases months ago—but, [...]