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Science
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Tantalising ‘signal’ appears to have come from Proxima Centauri, the closest star to the sun
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African-led study expected to involve 1,600 people over next three years in Uganda, Tanzania, Mozambique and South Africa
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Botanists list plants newly discovered or named by scientists in 2020
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National Heritage Memorial Fund bid successful after items from Nimrod trek sold to overseas buyer
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While two vaccines are likely to be cleared soon for adult use in the US, testing is only now starting with children – and only with adolescents
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Editorial: Boris Johnson is privatising responsibility for the problems caused by his Christmas plan to lift restrictions while cases are rising
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Medical professionals need to understand that communities have different environmental conditions and vulnerabilities
Key issues
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Botanists list plants newly discovered or named by scientists in 2020
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Multimedia
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Starship SN8 exploded after six-and-a-half-minute test flight over Texas
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The US aviation legend was a fighter ace in the second world war, before becoming the first man to break the sound barrier, training test pilots, fighting in the Vietnam war and becoming immortalised in The Right Stuff.
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Covid is a chance to build a world where everyone has access to basic vaccines