Science

Experts back CDC change on masks as delta variant spreads

The Centers for Disease Control and Prevention updated its masking guidance Tuesday, recommending that everyone, whether they are vaccinated or…

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Fireball blazes across Texas sky

Texas residents were stunned to see a fireball blaze across the sky on Sunday night.  ASTEROID THE SIZE OF GIZA…

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Covid-19 news: Health leaders warn of pressure on NHS in England

By Michael Le Page , Clare Wilson , Jessica Hamzelou , Sam Wong , Graham Lawton , Adam Vaughan ,…

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Eight reasons why the UK’s coronavirus cases appear to be falling

By Graham Lawton People gather at Windsor Castle in Berkshire, UK Maureen McLean/Shutterstock One swallow doesn’t make a summer, but…

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Some male fish let rivals woo females and then hijack their courtship

By Christa Lesté-Lasserre A male sailfin tetra (Crenuchus spilurus) BIOSPHOTO / Alamy The dominant males in one species of Amazonian…

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Yet another lake in the Western U.S. drops to record-low water levels

Water levels in the southern part of Utah’s Great Salt Lake have dropped to the their lowest levels ever recorded,…

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Warming rivers in U.S. West killing fish, imperiling industry

Baby salmon are dying by the thousands in one California river, and an entire run of endangered salmon could be…

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Jeff Bezos offers to cover $2 billion in NASA costs for lunar lander contract

Blue Origin founder Jeff Bezos on Monday offered to cover billions of dollars of NASA costs in exchange for a contract to…

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Most detailed human genome sequence yet reveals our hidden variation

By Michael Marshall We’re still learning more about the human genome Shutterstock / Explode A new, more complete version of…

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Video catches fiery meteor shooting across the night sky over Texas

Video captured an intense fireball shooting across the night sky over north Texas and the surrounding area, showing what scientists…

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