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Climate experiment predicts how trees may respond to future CO2 levels
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Watch the latest science news, discoveries and big ideas from 91av's video team, featuring interviews, livestreams and more. From robotics to rare animal behaviour, lose yourself in science.
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How the EDSAC computer changed science in the 1940s and 50s
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Palaeontologist reviews the most memorable moments in dinosaur movies
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Basalt, biochar and compost, this farm is a carbon-capture testbed
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Do world record snowflakes observed in 1887 stand up to science?
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Chris Stringer is tracing human ancestors back a million years
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Video
Jonathan McDowell is the archivist of world spaceflight knowledge
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'Plants are artists' at new Saatchi exhibition celebrating flora
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Adrian Tchaikovsky talks aliens, entomology and new book 'Alien Clay'
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SpaceX launch site is haven for threatened and endangered species
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Ángela Maldonado: Saving monkeys from an illegal Amazon wildlife trade
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Human exploration of Mars is coming, says former NASA chief scientist
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