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Saturday, June 25, 2022
Trained dogs sniff out COVID-19 as well as lab tests do

Trained dogs sniff out COVID-19 as well as lab tests do

Dogs are as reliable as laboratory tests for detecting COVID-19 cases, and may be even better than PCR tests for identifying infected people who don’t have symptoms. A bonus: The canines are cuter and less invasive than a swab up the nose. In a study involving sweat samples from 335 people, trained dogs sniffed out…
Missing COVID-19 data leave us in the dark about the current surge

Missing COVID-19 data leave us in the dark about the current...

As science journalists, we’re accustomed to data. We sift through it and talk it over with experts. We pay close attention to the stories that numbers can tell. But at this point in the pandemic, many of us are having a hard time finding the story. That’s because the numbers aren’t there. Data on coronavirus…
4 answers to key questions about the monkeypox outbreak

4 answers to key questions about the monkeypox outbreak

An outbreak of monkeypox has some people worried that the world is on the brink of another pandemic. That’s not likely, experts say. The concern has been fueled by more than 300 confirmed or suspected cases of the disease cropping up in 21 countries outside Africa, where the disease is endemic, since May 7. It’s…
Unexplained hepatitis cases in kids offer more questions than answers

Unexplained hepatitis cases in kids offer more questions than answers

As health officials continue their investigation of unexplained cases of liver inflammation in children, what is known is still outpaced by what isn’t. At least 500 cases of hepatitis from an unknown cause have been reported in children in roughly 30 countries, according to health agencies in Europe and the United States. As of May…
Here’s the latest good and bad news about COVID-19 drugs

Here’s the latest good and bad news about COVID-19 drugs

Maybe you’ve heard that the pandemic is over in the United States. (It’s not.) Masks are no longer required in most places and large gatherings are becoming commonplace again. Most of the country is in the green, according to the U.S. Centers for Disease Control and Prevention’s tracking site, which monitors COVID-19 transmission and hospitalization…
How to wash chicken in the kitchen more safely, according to physics

How to wash chicken in the kitchen more safely, according to...

Health experts recommend against washing chicken before cooking it because that can spread harmful bacteria. But if you’re among the nearly 70 percent of people who do, according to a survey of U.S. grocery shoppers, there are ways to make it safer. Instead of admonishing people not to wash chicken, says mathematician Scott McCalla of…
The body’s response to allergic asthma also helps protect against COVID-19

The body’s response to allergic asthma also helps protect against COVID-19

Scientists are discovering a surprising bright side for some people with asthma: They are less susceptible to COVID-19. The very same immune system proteins that trigger excess mucus production and closing of airways in people with allergic asthma may erect a shield around vulnerable airway cells, researchers report in the April 19 Proceedings of the…
How I decided on a second COVID-19 booster shot

How I decided on a second COVID-19 booster shot

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Booster shots against COVID-19 are once again on my mind. The U.S. Food and Drug Administration says that older people and immunocompromised people are eligible for a second booster shot provided it has been at least four months since their last shot. After I got over the shock of the FDA calling me “older” —…
Joggers naturally pace themselves to conserve energy even on short runs

Joggers naturally pace themselves to conserve energy even on short runs

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For many recreational runners, taking a jog is a fun way to stay fit and burn calories. But it turns out an individual has a tendency to settle into the same, comfortable pace on short and long runs — and that pace is the one that minimizes their body’s energy use over a given distance.…
50 years ago, scientists were seeking the cause of psoriasis

50 years ago, scientists were seeking the cause of psoriasis

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Cyclic AMP and psoriasis — Science News, April 29, 1972 [A team of dermatologists] discovered that cyclic AMP levels in psoriasis lesions are significantly lower than in healthy skin.… [The team] is now trying to find out if the cyclic AMP deficiency causes psoriasis and to develop a medication to increase cyclic AMP levels in…

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