标签: 另一方面——包括大白鲨和虎鲨——必须不断游动以给鳃通风
America’s summer of floods: climate crisis fueling barrage, 科学家说
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An entire building and roads washed away by raging waters in Yellowstone. People desperately swimming from their homes in St Louis. Dozens dead after torrential downpours in Kentucky. The summer of 2022 has been one o...
Record coral cover on parts of Great Barrier Reef at risk from global heating, scientists warn
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Marine scientists monitoring the Great Barrier Reef say they have recorded the highest levels of coral cover in 36 years in the north and central areas, but warned any recovery could be quickly overturned by global he...
Scientists create world’s first ‘synthetic embryos’
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Researchers have created the world’s first “synthetic embryos” in a groundbreaking feat that bypassed the need for sperm, eggs and fertilisation. Scientists at the Weizmann Institute in Israel found that stem cells fr...
Childhood hepatitis surge likely linked to two common viruses, say UK scientists
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Simultaneous infection with two common viruses is thought to explain a recent surge in childhood hepatitis cases, which has led to 12 UK children requiring liver transplants so far. Two research groups have detected h...
Scientists picking over ice age bones discover vultures once soared in Australia’s skies
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Australia’s first vulture species has been identified after the reclassification of a century-old fossil specimen. The extinct vulture lived during the middle and late Pleistocene period – commonly known as the ice ag...
‘Inspiring to see’: scientists show how forests of kelp can potentially be brought back to life
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The thick underwater forests off Tasmania’s east coast used to be so dense they were marked as shipping hazards on nautical charts. Thriving stands of giant kelp, which grows up to 40 metres high, once provided habita...
UK is no longer a cold country and must adapt to heat, say climate scientists
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The UK is no longer a cold country, scientists have said, as climate breakdown means “previously impossible heatwaves are killing people”. This week temperatures of 40C (104F) have been predicted for the first time by...
‘Inspiring to see’: scientists show how forests of kelp can potentially be brought back to life
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The thick underwater forests off Tasmania’s east coast used to be so dense they were marked as shipping hazards on nautical charts. Thriving stands of giant kelp, which grows up to 40 metres high, once provided habita...
‘Bees are really highly intelligent’: the insect IQ tests causing a buzz among scientists
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They have been revered by the ancient Egyptians, lauded by Shakespeare, feared by Winnie-the-Pooh and, 最近, battled by Rowan Atkinson in the new Netflix hit Man vs Bee. But love or loathe them, you may be su...
Reports of fireball over New Zealand in what scientists think was rare daytime meteor
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New Zealanders across the North Island have reported rumbling, crackling sounds, a fireball and a huge flash of light streaking across the sky on Thursday afternoon, in what scientists believe was likely a meteor. Loc...
Scientists puzzled by toads squatting in dormouse nests high in trees
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Scientists hunting for dormice have been surprised to find toads sleeping in their nest boxes, high up in the trees. A study has for the first time revealed the frequency with which the common toad nests and breeds in...
Scientists warn MEPs against watering down EU deforestation law
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多于 50 scientists have warned MEPs that a high-level move to water down EU legislation on deforestation could undermine Europe’s net zero emissions plans. European environment ministers rewrote a draft regulatio...
UK scientists warn of urgent need for action on vaccines to head off autumn Covid wave
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Health authorities need to act urgently to prepare for an autumn that could see further waves of Covid-19 cases spreading across the UK. That is the clear warning from scientists and doctors after last week’s figures ...
Johnson issues open invitation to Russian scientists ‘dismayed by Putin’s violence’
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Boris Johnson has issued an open invitation for disaffected Russian scientists to defect to the UK, as he used the G7 summit to argue that allowing Russia to prevail in Ukraine would usher in a highly damaging era of ...
Go fish: Danish scientists work on fungi-based seafood substitute
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From plant-based meat that “bleeds” to milk grown in a lab, fake meats and dairy have come a long way in recent years. But there is another alternative that scientists are training their sights on, one with the most c...
Scientists discover world’s largest bacterium, the size of an eyelash
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Scientists have discovered the world’s largest known bacterium, which comes in the form of white filaments the size of human eyelashes, in a swamp in Guadeloupe. At about 1cm long, the strange organism, Thiomargarita ...