News
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		Health & MedicineMerck’s COVID-19 pill may soon be here. How well will it work?
Once hailed as a potential game changer, more complete data now reveal drawbacks of Merck’s antiviral COVID-19 pill, molnupiravir.
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		OceansThe Southern Ocean is still swallowing large amounts of humans’ carbon dioxide emissions
A 2018 study suggested the ocean surrounding Antarctica might be taking up less CO₂ than thought, but new data suggest it is still a carbon sink.
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		Planetary ScienceThis tiny, sizzling exoplanet could be made of molten iron
A newly discovered exoplanet that whips around its star in less than eight hours is smaller than Earth, as dense as iron and hot enough to melt.
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		Health & MedicineWhat we know and don’t know about the omicron coronavirus variant
The new omicron variant has lots of mutations and sparked a surge of cases in South Africa, but researchers still don’t know a lot about it.
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		AnthropologyAncient footprints suggest a mysterious hominid lived alongside Lucy’s kind
A previously unknown hominid species may have left its marks in muddy ash about 3.66 million years ago in what is now East Africa.
By Bruce Bower - 			
			
		PaleontologyThis dinosaur had a weapon shaped like an Aztec war club on its tail
The flat and spiky tail club of a newly discovered ankylosaur was unique, even for this often weirdly armored group of dinosaurs.
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		AnthropologyAncient giant orangutans evolved smaller bodies surprisingly slowly
Fossil teeth from Chinese caves indicate that a single, ancient orangutan species gradually trimmed down over nearly 2 million years.
By Bruce Bower - 			
			
		ChemistryHere’s the chemistry behind marijuana’s skunky scent
Newly ID’d sulfur compounds in cannabis flowers give the plant its telltale odor. One, prenylthiol, is what also gives “skunked beer” its funky flavor.
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		LifeFungi may be crucial to storing carbon in soil as the Earth warms
Fungi help soil-making bacteria churn out carbon compounds that are resilient to heat, keeping those compounds in the ground, a study suggests.
By Freda Kreier - 			
			
		EnvironmentCorals may store a surprising amount of microplastics in their skeletons
In tropical waters, coral reefs may be a “sink” for tiny bits of plastic debris. It’s unclear how corals’ trash pickup might affect reef health.
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		LifeAlbatrosses divorce more often when ocean waters warm
In one part of the Falkland Islands, up to 8 percent of the famously faithful birds ditch partners in years when the ocean is warmer than average.
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		AstronomyAstronomers have found the Milky Way’s first known ‘feather’
Named for the glacier that feeds India’s longest river, the Gangotri wave spans up to 13,000 light-years and bridges two of our galaxy’s spiral arms.