‘Grazing fireball’ skimmed Earth’s atmosphere then went back to space
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‘Grazing fireball’ skimmed Earth’s atmosphere then went back to space

Space 13 December 2019 The first known grazing fireball was seen in 1972James M. BakerA space rock came hurtling into Earth’s atmosphere – and then flew straight back…

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‘Rediscovered’ toad was known to Colombian locals for decades
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‘Rediscovered’ toad was known to Colombian locals for decades

By Brian Owens Biologists thought the starry night toad was extinct in ColombiaPhoto courtesy of Fundación AtelopusA critically endangered harlequin toad, known as the starry night toad, has…

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AI genome scanner says Denisovans could live until 38 years old
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AI genome scanner says Denisovans could live until 38 years old

By Gege Li AI has taken a guess at the lifespan of DenisovansUPI/Alamy Artificial intelligence may be able to work out the maximum lifespans of extinct species and…

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Smart doorbells may be fun, but we don’t know who is using your face
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Smart doorbells may be fun, but we don’t know who is using your face

This changes everything | Training facial recognition algorithms requires masses of data, and big tech companies can go to extreme lengths to get that, says Annalee Newitz Humans…

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Turkey is getting military drones armed with machine guns
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Turkey is getting military drones armed with machine guns

Technology 12 December 2019 By David Hambling The Songar drone can accurately hit targets from hundreds of metres away, according to its manufacturerASISGUARDA drone with a machine gun…

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Google has performed the biggest quantum chemistry simulation ever
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Google has performed the biggest quantum chemistry simulation ever

By Leah Crane Google’s Sycamore quantum processorErik Lucero/GoogleGoogle has used its recording-breaking quantum computer to complete the biggest quantum chemistry simulation ever, modelling the behaviour of a long…

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Scientists analysed the best and worst cities to travel around
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Scientists analysed the best and worst cities to travel around

Environment 12 December 2019 By Alice Klein Bangkok in Thailand is a poorly connected city according to the analysisMongkol Chuewong/Getty ImagesStreet layouts have a major influence on people’s…

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People in Japan are wearing exoskeletons to keep working as they age
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People in Japan are wearing exoskeletons to keep working as they age

Technology 12 December 2019 By Alice Klein Older workers use an exoskeleton to help with liftingCourtesy of Daigo OriharaOlder people in Japan are strapping on exoskeletons to help…

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Insect biomass in Britain falling but may still be double 1960s level
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Insect biomass in Britain falling but may still be double 1960s level

Environment 12 December 2019 Feeling the pinchDavid Castro/EyeEm/Getty ImagesAre we witnessing an insect apocalypse? It is complicated. The longest running study of insect populations in the world shows…

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Rodeo ants that ride on backs of bigger ants discovered in Texas
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Rodeo ants that ride on backs of bigger ants discovered in Texas

Life 12 December 2019 The tiny rodeo ant queen rides on the back of a host queenAlex WildWhat should we call a Texan ant that rides on the…

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