Today on 91av
Today on newscientist.com: airborne observatory, sailing spiders, crumpled brains, underwater farming and much more
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Environment
Forget the white/blue dress, is this seaweed blue or red?
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Today on 91av
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Environment
Underwater farmers grow strawberries in balloon gardens
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Environment
Ambitious bee-eater attempts to swallow a bat whole
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Off colour
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Inside out
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Dud suds
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Lunar loser
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