"Dolphins are predators and actively hunt their prey, whether it's been stolen from another species or not.”
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How chimps teach their kids tool tricks
Adults first demonstrate tool use, then hand over the implements to their infants, who copy the behavior.
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Research roundup: 6 cool science stories we almost missed
Also: Cyborg diving suits for cockroaches, why sleepy sperm whales blow bubbles, Betelgeuse's companion star.
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Orcas team up to ram sunfish until they explode
“We think this may help younger orcas feed more easily, or it could also just be for fun.”
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Dragonflies maneuver like fighter pilots
Male dragonflies' dramatic aerial combat maneuvers emerge from relatively simple vision-based rules.
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