News
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Health & MedicineSevere allergic reactions to COVID-19 vaccines are extremely rare, CDC says
Out of the first 1.9 million doses of Pfizer’s COVID-19 vaccine given in the United States, there were 21 reported cases of anaphylaxis, a CDC study finds.
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GeneticsPlague may have caused die-offs of ancient Siberians
DNA suggests that the deadly bacterium that causes the plague reached northeast Asia by 4,400 years ago.
By Bruce Bower -
ChemistryZinc-air batteries are typically single-use. A new design could change that
Swapping out the electrolyte in zinc-air batteries helps these next-gen power sources last longer.
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AnimalsThese spiders may sew leaves into fake shelters to lure frogs to their doom
Madagascar’s huntsman spiders use silk to turn two leaves into a cool hollow. Such microhabitats may appeal to the spiders’ prey, a study suggests.
By Jake Buehler -
ClimateWhat the pandemic can teach us about ways to reduce air pollution
Data collected during COVID-19 shutdowns may help tease out the complicated chemistry that brews poor air quality.
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EarthPlastic drinking water pipes exposed to high heat can leak hazardous chemicals
Lab tests exposing commonly used water pipes to wildfire-like heat show damaged pipes can leach the carcinogen benzene and other chemicals.
By Megan Sever -
SpaceHow future spacecraft might handle tricky landings on Venus or Europa
Scientists are getting inventive with ways to touch down on these worlds, where landers will face obstacles not seen elsewhere in the solar system.
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Health & MedicineThe new U.K. coronavirus variant is concerning. But don’t freak out
A new version of the coronavirus may be better at spreading from person to person, but there’s still a lot scientists don’t know.
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ChemistryA new iron-based catalyst converts carbon dioxide into jet fuel
Jet fuel made from carbon dioxide could one day reduce pollution from air travel.
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AnimalsClearing land to feed a growing human population will threaten thousands of species
Changing where, how and what food is grown could largely avoid biodiversity losses, scientists say.
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Health & MedicineHow does the newly authorized Moderna COVID-19 vaccine compare to Pfizer’s?
The FDA has granted emergency use authorization to Moderna’s COVID-19 vaccine, bringing the number of vaccines available in the United States to two.
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AnimalsBonobos, much like humans, show commitment to completing a joint task
Experiments with bonobos suggest that humans aren’t the only ones who can feel a sense of mutual responsibility toward other members of their species.
By Bruce Bower