[ad_1] Underscoring increasing concerns about Omicron, scientists in South Africa said on Friday that the newest coronavirus variant appeared to spread more than twice as quickly as Delta, which had…

[ad_1] Twitter’s new chief executive, Parag Agrawal, said on Friday that he would reorganize top leadership at the company and that two key executives would depart.The shake-up was the first…

[ad_1] President Biden presented a new strategy for tamping down the spread of the coronavirus on Thursday, encouraging all adults to get a booster shot and seeking to expand testing.Credit...Pete…

[ad_1] While the pandemic has depressed travel, it may have encouraged travel insurance, say those in the industry.“The biggest question we get from customers is: ‘What happens if I get…

[ad_1] My I.B.S. journey started about nine years ago, at age 44, when I noticed that my migraines — for decades reliably yoked to my menstrual cycle — were accompanied…

[ad_1] Over time, Ms. Purvis, the speech-language pathologist, incrementally ramped up the exercises: arrange numbers in descending order, repeat a sentence in reverse. She increased noise and distraction to approximate…

[ad_1] A 2011 thriller was supposed to cost $15. One merchant listed it at $987, with a 17th-century publication date. That’s what happens in a marketplace where third-party sellers run…