Science

In mid-November, an arthritis drug with a tricky name hit a pandemic milestone — then slipped back into relative obscurity. The drug, baricitinib, was granted an emergency authorization by the Food and Drug Administration to treat a subset of hospitalized Covid-19 patients in combination with another medication, the antiviral remdesivir. It is one of only […]

Fiduccia pushed for increased access to reproductive services, including mammograms and pelvic exams. She and others successfully lobbied to expand the national Hate Crime Statistics Act to include violence against people with disabilities. She also served on the California attorney general’s Civil Rights Commission on Hate Crimes. With her future husband, Daniel Fiduccia, a legal […]

A new study in monkeys suggests that a blood test could predict the effectiveness of a Covid-19 vaccine — and perhaps speed up the clinical trials needed to get a working vaccine to billions of people around the world. The study, published on Friday in Nature, reveals telltale blood markers that predict whether a monkey’s immune […]

A new study in monkeys suggests that a blood test could predict the effectiveness of a Covid-19 vaccine — and perhaps speed up the clinical trials needed to get a working vaccine to billions of people around the world. The study, published on Friday in Nature, reveals telltale blood markers that predict whether a monkey’s immune […]

The ibis and the kiwi are dogged diggers, probing in sand and soil for worms and other buried prey. Sandpipers, too, can be seen along the shore excavating small creatures with their beaks. It was long thought that these birds were using trial and error to find their prey. But then scientists discovered something far […]

In 1992, Tina Gibson was barely 2 years old when a couple donated embryos that were frozen in a clinic in the Midwest. In February 2020, Ms. Gibson, one of those embryos was implanted in an elementary schoolteacher in Knoxville, Tenn., and in October, she gave birth to a 6-pound, 13-ounce baby. Ms. Gibson and […]

From 1969 to 1971, the United States was testing nuclear weapons beneath one of Alaska’s Aleutian Islands, worryingly close to some of the world’s few surviving sea otters. The subterranean explosions prompted conservation managers to carry out a daring plan. First, they netted some Alaskan sea otters. Then they set 59 free off the coast […]

The salmon were dying and nobody knew why. About 20 years ago, ambitious restoration projects had brought coho salmon back to urban creeks in the Seattle area. But after it rained, the fish would display strange behaviors: listing to one side, rolling over, swimming in circles. Within hours they would die — before spawning, taking […]

Two days after it landed on the moon, China’s Chang’e-5 mission is on its way again, blasting off back to space, the beginning of its journey back to Earth ferrying a bounty of soil and rocks for scientists to study. The top half of the lander launched at 10:10 a.m. Eastern time on Thursday, according […]

A nuclear physicist who served as Mr. Obama’s second energy secretary remains in the running to return to his old post. Dr. Moniz, now president and chief executive officer of the Energy Futures Initiative, a research organization, served as an informal adviser to Mr. Biden during the campaign and several people who worked under him […]