world science news
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Promising radio signal isn’t aliens, just human-generated interference
The Breakthrough Listen project detected radio waves that seemed to be the best candidate yet for an alien signal, but…
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Giant Lemurs Are the First Mammals (Besides Us) Found To Use Rhythm
Mammals make all manner of sounds, but their calls rarely resemble music. The culprit? A lack of rhythm—the temporal sequence…
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We Need to Ground Truth Assumptions about Gene Therapy
Melissa Creary was three years old when she was diagnosed with sickle cell disease. The genetic condition, which affects more…
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Civil war drove these elephants to lose their tusks—through evolution
Mozambique’s civil war from 1977 to 1992 had a grim outcome for elephants: During that time, some 90% were killed…
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Polar bear hunting a reindeer caught on tape for first time
In August 2020, biologist Izabela Kulaszewicz was settling in for a lazy evening at the Polish Polar Station, Hornsund, on…
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Covid-19 news: Pfizer trial finds booster vaccine over 95% effective
By Michael Le Page , Clare Wilson , Jessica Hamzelou , Sam Wong , Graham Lawton , Adam Vaughan ,…
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Female African elephants evolved to lose tusks due to ivory poaching
By Michael Le Page A family of tuskless elephants Russell Millner/Alamy Female elephants in Mozambique rapidly evolved to become tuskless…
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An Unblinking History of the Conservation Movement
Pakinam Amer: This is Scientific American’s Science Talk podcast. I’m Pakinam Amer. Today, we talk about endangered species and the…
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How Can an Elephant Squeak Like a Mouse?
Karen Hopkin: This is Scientific American’s 60 -Second Science. I’m Karen Hopkin. Ask anyone what an elephant sounds like. And…
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Will Giving COVID Booster Shots Make It Harder to Vaccinate the Rest of the World?
As people in the U.S. and other wealthy countries begin lining up for COVID vaccine booster shots, most of those…
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