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The test, now approved in the UK, can tell who has had Covid-19 - but gives no guarantee they are immune.
BBC News
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| Updated | 2026-07-28 19:00 |
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Researchers say they have developed a lab-grown strain of microalgae which is more tolerant to heat.
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Canadian firm GHGSat, which carries out methane monitoring from space, looks to set up a UK hub.
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The pandemic could have an impact on conservation efforts for years to come, say conservation experts.
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Why the people on the only continent without a recorded case of coronavirus are in lockdown.
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Fluttering creatures of the night are also vital pollinators of plants and flowers, say scientists.
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Hormone-fed beef and chlorine-washed chicken should remain banned in England. the government is warned.
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Doubt is cast on claims fossil fuel companies are curbing their CO2 in line with net zero targets.
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The fall in the carbon dioxide emissions is not just due to the country's coronavirus lockdown.
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Modern humans began to edge out the Neanderthals in Europe earlier than previously thought.
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The billionaire hopes to raise $500m to support his businesses including Virgin Atlantic.
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The four-legged robot carries a camera and speaker to play social distancing messages in Singapore.
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The submerged mud berth on the River Roach in Essex is recognised as a nationally important site.
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"Extreme caution" will be needed when the UK eases lockdown, Grant Shapps says as he announces transport measures.
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Funding for English local authorities is likely to be unveiled to encourage people to be more active.
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The Hawaii-based Gemini telescope produces a super-sharp picture of the gas giant in the infrared.
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Certain habitats can help dampen the spread of ash dieback, which threatens ash trees.
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The former Bank of England governor says countries should invest in a cleaner economic recovery.
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Bicycle shops across the UK say demand for new bikes, and repairs for old ones, has risen sharply.
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Park rangers in Africa say the closure of safari tourism is leading to an increase in poaching.
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An unseen object is found to be lurking in a double-star system a mere 1,000 light-years from Earth.
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One of the hardest tasks in Earth observation is tracking tiny changes in the shape of the ground.
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A study has identified a mutation that its authors say could make the coronavirus more infectious.
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Prof Neil Ferguson, who advised ministers on coronavirus, says he "made an error of judgement".
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New scientific research, from Germany of all places, suggests English footballers are actually good at spot-kicks.
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The actor is well known for his daring stunts, but this takes things to another level.
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Some governments want to channel their economic recovery plans into low-carbon industries.
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How the global pandemic is limiting carbon emissions and what this will mean for climate change.
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Many activists have had to stop their usual work due to the pandemic. Here's how they're responding.
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UK government advisors say post-pandemic recovery funds should go to firms reducing carbon emissions.
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The North Magnetic Pole has been racing across the top of the world, from Canada towards Siberia.
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Areas such as India, Australia and Africa are predicted to be among the worst affected.
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Mink have caught Covid-19, adding to the list of infected animals, and prompting calls for trade bans.
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Scientists say the microbe - found in the wild near Lake Victoria - has enormous potential.
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The identity of the "intermediate host" animal that first passed the coronavirus to a human may never be found, say scientists.
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How the outside world can be good for body and mind - with expert tips on making the most of it.
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The Food and Drug Administration authorises emergency use of the experimental anti-viral drug.
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Native woodlands can resist the spread of invasive species if they block light reaching the ground.
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Science instruments sense a big dip in seismic noise as the population stays at home.
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Birds, elephants and primates are among those missing guests, zoos around the world say.
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BBC News examines allegations that the coronavirus was accidentally released from a lab.
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Mediterranean sediments are shown to have up to 1.9 million tiny plastic pieces per square metre.
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The space agency announces the companies that will work on landers to return astronauts to the Moon.
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US space agency satellites follow the melting trends in Antarctica and Greenland over 16 years.
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UK scientists provide a new estimate for the amount of space rock falling to Earth each year.
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The discovery that the badger-like animal lived alongside dinosaurs challenges ideas about mammals.
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Environmentalists say a misguided attempt to protect residents has damaged a sensitive ecosystem.
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Devastated by hunting and logging, the chimps now face threats from coronavirus, says conservationist.
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Scientists predict the explosive behaviour of two supermassive black holes almost to the hour.
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Nicola Sturgeon says there may be "some benefit" in wearing a cloth face covering in enclosed areas.
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