Life
Knifefish use electric fields to develop a complex social hierarchy
The brown ghost knifefish of South America can generate electric signals 鈥� and they seem to use them to develop and maintain a sophisticated social hierarchy
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Earth
Sound waves from fin whale songs could help us study Earth鈥檚 crust
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Life
Cannibal cockroaches nibble each other鈥檚 wings after they have mated
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Life
Dragonflies do a backwards roll to fly upright 鈥� even when unconscious
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Life
Naked mole rats mimic the dialect of their colony鈥檚 queen
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Life
Sparrows are healthier living in groups with diverse personalities
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Humans
Extroverts have more success training their dogs than introverts
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Life
Male mantises fight females to mate – but they get eaten if they lose
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Life
Snakes make their bodies lassos in a strange new climbing technique
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Life
Huntsman spiders stitch leaves together to trap tree frogs
In Madagascar, huntsman spiders have been seen making traps out of overlapping leaves where tree frogs tend to hide, and then eating the frogs
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Life
Jellyfish push off a pocket of water under their bell to swim faster
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Life
Kangaroos can learn to ask for help from humans just like dogs do
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Life
Baboons that live together in tight-knit groups have similar 鈥榓ccents鈥�
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Life
Asian honeybees use animal faeces to defend themselves from hornets
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