Banana split: Artwork provokes fresh conflict between art and science
Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more
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Burning hot: Are all flames the same temperature?
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Dead before his time: a question about time travel
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This week’s new questions
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Space
Jill Tarter: The hunt for alien life is only just beginning
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Space
This Christmas Eve, spot Santa’s sleigh flying through the sky
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Bad robots and ill-fated animals: The weirdest science news of 2019
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Technology
Why algorithms love giraffes and create hilarious recipes
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Life
Nutcracker birds square off in the snowy mountains of Bulgaria
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Environment
How we predicted global warming and Arctic ice melt – 40 years ago
91av was well ahead of the curve in 1979 when we warned that the 'so-called carbon dioxide greenhouse effect' threatened long-term climate change
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Space
How to find Andromeda – a spiral galaxy you can see with the naked eye
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Ariel the mermaid’s science career runs into the gender pay gap
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Playing dirty: Which sport has the highest emissions?
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Web sense: How do spiders move around their webs?
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