U.S. Diet Guidelines Sidestep Scientific Advice to Cut Sugar and Alcohol

Rejecting the advice of its scientific advisers, the federal government has released new dietary recommendations that sound a familiar nutritional refrain, advising Americans to “make every bite count” while dismissing expert recommendations to sharply reduce consumption of sugar and alcoholic beverages. The

Don’t Let the Pandemic Stop Your Shots

Experts fear that vaccination rates may have fallen further during the pandemic, as they have among children, if older people wary of going to doctors’ offices or pharmacies skipped shots. Financial and bureaucratic obstacles also thwart vaccination efforts. Medicare Part B covers

The Year in Spaceflight

2020 Was a Big Year in Spaceflight Michael RostonFrom the Science Desk �� But would the pandemic knock the year’s big plans for spaceflight off course? In March, Europe and Russia delayed a joint mission to Mars until 2022, in part because

The Lasting Lessons of John Conway’s Game of Life

In March of 1970, Martin Gardner opened a letter jammed with ideas for his Mathematical Games column in Scientific American. Sent by John Horton Conway, then a mathematician at the University of Cambridge, the letter ran 12 pages, typed hunt-and-peck style. Page

New Year's Eve at Home

Along with so many things, the pandemic has dashed many of go-to New Year’s traditions — no raging clubs, no in-person ball drop, no kissing strangers at midnight, not even the annual party that you begrudgingly went to year after year. But

Why Covid Antibody Drugs Go Unused as Need Soars

Until recently, the federal government did not require hospitals to report how many doses they had given to patients, although it will begin to do so starting Jan. 8. There is also no single hotline or website to help patients locate a

Covid-19: How Much Herd Immunity is Enough?

The study found that 1,064 of the 1,568 sailors aboard, or about 68 percent, had tested positive for the virus. But the carrier returned to port while the outbreak was still in progress, and the crew went into quarantine, so it was

How Covid-19 Vaccine Launch Evokes Memories of Polio Era

The initial polio vaccine rollout did not go smoothly. Within a month, six cases of polio had been linked to a vaccine manufactured by Cutter Laboratories in Berkeley, Calif. It was soon discovered that Cutter had failed to completely kill the virus

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