Technology
Robot eel reveals how the strange fish swim so efficiently
Tests with an eel-inspired robot show that the unusual fish may swim most efficiently by reducing their speed
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Life
Anemones are first known animals to follow the sun like plants do
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Rats squeak with happiness when they are with another rat
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Flatworms can either regrow lost heads or reproduce sexually, not both
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Flatworm caught hunting and killing spider on its own web
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Roosters may be able to recognise themselves in a mirror
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Beetles raise their young in trash dumps left behind by army ants
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We鈥檝e just realised that a tiny West African crocodile can moo
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Male butterflies plug attractive females鈥� genitals to stop them mating
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Turtles that move in herds reveal the complex social lives of reptiles
The hicatee turtles of Belize appear to move around in groups even when they aren't feeding, providing evidence of social complexity in reptiles
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Human noise pollution drives monkeys to rely on communication by scent
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Frogs have been trying to mate with odd things for 220 million years
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Spotted salamander eggs hatch more easily if nibbled by predators
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Pirate spiders ambush prey by tricking them with lines of silk
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