New California Variant May Be Driving Virus Surge There, Study Suggests

In late December, scientists in California began searching coronavirus samples for a fast-spreading new variant that had just been identified in Britain.They found...

What You Can Do to Avoid the New Coronavirus Variant Right...

Are there additional ways to reduce my risk?Getting the vaccine is the ultimate way to reduce risk. But until then, take a look...

The SAT is Dropping its Essay Section, Subject Matter Tests During...

The College Board announced on Tuesday that it would drop the optional essay section from the SAT college entrance examination, which it administers,...

The Best Shoes for Knee Arthritis

Some experts recommend flat, flexible shoes for people with knee osteoarthritis, whereas others say stable, supportive shoes are better. Now a randomized trial...

Why Medical Tourism Is Drawing Patients, Even in a Pandemic

“Our market has always been what I call the ‘working poor’ and they just keep getting poorer,” said Josef Woodman, the chief executive...

It’s Not Your Parents’ Hip Replacement Surgery

Enter the robot. The robotic equipment’s software uses the information generated by the scan to create a personalized preoperative plan for the surgery....

Twins with Covid Help Scientists Untangle the Disease’s Genetic Roots

What Ms. Burkett and Ms. Miller experienced wasn’t the norm. Many of the conditions that can raise a person’s risk for severe Covid...

Egypt Denied an Oxygen Failure Killed Covid Patients. We Found That...

EL HUSSEINEYA, Egypt — A cry pierced the night from the balcony of an Egyptian hospital. A nurse was screaming that the patients...

Finding a Foothold for Nordic Skiing in Rural Alaska

It was minus 40 degrees Fahrenheit, and a lot of the children were wearing jeans. They forgot to bring snow pants again. But...

Biden to Elevate Science Adviser to His Cabinet

President-elect Joseph R. Biden Jr. announced on Friday that he will elevate the role of science in his cabinet as part of an...