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Here’s what we know right now about getting COVID-19 again

Here’s what we know right now about getting COVID-19 again

Not long before the end of the school year, my husband and I received an e-mail from our fifth-grader’s principal that may now be all-too-familiar to many parents. The subject line included the words, “MULTIPLE COVID CASES.”  Several students in my daughter’s class had tested positive for COVID-19. Her school acted fast. It reinstated a …

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5 misunderstandings of pregnancy biology that cloud the abortion debate

5 misunderstandings of pregnancy biology that cloud the abortion debate

On June 24, the U.S. Supreme Court overturned Roe v. Wade. By undoing the landmark 1973 decision that protected a person’s right to an abortion, the highest court in the country has shifted decisions about this medical care to individual state and local governments. Some states have already passed laws that curtail abortion access. Now, …

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Vampire squid are gentle blobs. But this ancestor was a fierce hunter

Vampire squid are gentle blobs. But this ancestor was a fierce hunter

Despite the scary name, modern vampire squid are docile denizens of the deep sea — but their Jurassic ancestors may have been a lot fiercer. Analyses of fossilized soft tissue from three 164-million-year-old specimens of Vampyronassa rhodanica suggest that the ancient cephalopods had some powerful weapons, researchers say June 23 in Scientific Reports. Unlike its …

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Cats chewing on catnip boosts the plant’s insect-repelling powers

Cats chewing on catnip boosts the plant’s insect-repelling powers

For many cats, a mere whiff of catnip can send them into a licking, rolling, plant-shredding frenzy. That destruction amplifies catnip’s natural defenses against insects and its appeal to cats, a new chemical analysis finds. Compared with intact leaves, crushed-up leaves emit more volatile compounds called iridoids, which act as an insect repellant, researchers report …

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An otherwise quiet galaxy in the early universe is spewing star stuff

An otherwise quiet galaxy in the early universe is spewing star stuff

PASADENA, Calif. — A lucky celestial alignment has given astronomers a rare look at a galaxy in the early universe that is seeding its surroundings with the elements needed to forge subsequent generations of stars and galaxies. Seen as it was just 700 million years after the Big Bang, the distant galaxy has gas flowing …

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Russia’s invasion could cause long-term harm to Ukraine’s prized soil

Russia’s invasion could cause long-term harm to Ukraine’s prized soil

By now, wheat planted late last year waves in fields across Ukraine. Spring crops of sunflowers and barley are turning swaths of dark earth into a fuzz of bright green. But with Russia’s war being waged in some of the most fertile regions of Ukraine, uncertainty looms over summer harvesting. Ukrainian farmers braved a war …

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