The PCR technology, which requires cycles of extreme heating and cooling, can multiply small segments of DNA millions or even billions of times in a short period. It has proved crucial in many ways, including the identification of DNA at a crime scene and, more recently, detecting whether someone has the coronavirus. “PCR is fundamental…
For weeks, New Yorkers have witnessed the alarming rise of a homegrown variant of the coronavirus that has kept the number of cases in the city stubbornly high. City officials have repeatedly warned that the variant may be more contagious and may dodge the immune response. On that second point, at least, they can now…
“No matter what the headlines have been, no matter how the market’s turned, we always tend to find bookings rebounding fastest, soonest and greatest in those markets,” said Vasu Raja, American’s chief revenue officer. United said it expected to be able to make money even with corporate and long-haul international travel down 35 percent. (Both…
“There are small tricks like this to produce umami that will reveal certain flavors,” he said. Mr. Marx’s dishes were assembled in the cans by hand to offer the visual flare of fine dining. François Adamski, the corporate chef of Servair, also had to experiment with his recipes. A risotto-like dish used einkorn, an ancient…
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During a three-week visit to Seoul in May 2019, the musician Michelle Zauner saw the city in a nostalgic light. She was staying in an apartment in the Gangnam district to complete the first draft of her memoir, “Crying in H Mart,” following a tour in Asia with her solo indie-pop project, Japanese Breakfast. Though…
Dr. Longaker’s obsession with scars began with an experiment in 1987 as a new postdoctoral fellow in the lab of Dr. Michael R. Harrison at the University of California, San Francisco. Dr. Harrison, who was studying fetal surgery, suggested that Dr. Longaker operate on a fetal lamb two-thirds of the way through pregnancy and then…
Holly Elgison and Len Schillaci are a mixed vaxxed couple, and they are far from alone. “I was always going to get the vaccine, 100 percent,” said Ms. Elgison, a medical claims auditor in Valrico, Fla. Her husband, a disaster insurance adjuster, said he will pass. “To be honest with you, I think that the…
New York is the third largest wine-producing state in the country, after California and Washington. Yet it doesn’t get nearly the respect it deserves. Not that its numbers mean a whole lot. But over the last 20 years, the quality of New York State wines has evolved rapidly, particularly in the two leading winemaking regions,…
“We’re dealing with silos,” Dr. Mylonakis said. “Every time that we have a transfer, something is lost. The patient loses and that may make their other long Covid symptoms worse.” For example, “if I’m an endocrinologist, I’m going to look at the blood sugar, I’m not going to look at the 14 other systems,” he…