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A large-scale animal study has revealed something rather interesting about yawning: Vertebrates with larger brains and more neurons tend to have longer-lasting yawns. Researchers collected data on 1,291 separate yawns from zoo trips and online videos, covering a total of 55 mammal species and 46 bird species, and found “robust positive correlations” between how long
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Archaeologists have discovered the fossilized remains of nine Neanderthals who were hunted and mauled to death by a pack of hyenas in a cave just outside Rome, the Italian Culture Ministry announced Saturday. The fossilized bones, which included skullcaps and broken jawbones, were discovered in the Guattari Cave in San Felice Circeo in Italy’s Lazio region. They are
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A tiny, meat-eating dinosaur had superb low-light vision and hearing that was likely as good as an owl’s. And like an owl, the wee dinosaur probably used those exceptional abilities to stalk and catch its desert prey under the cover of darkness. Owl-like Shuvuuia (shu-VU-ya) was a theropod – a three-toed and bipedal carnivorous dinosaur. There’s only one known
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Sharks are known for their long-distance migrations – across thousands of kilometers – but what’s not clear is exactly how they navigate. An interesting new experiment involving swimming pools and magnetic fields may give us some big hints, however. Knowing that sharks are sensitive to electromagnetic fields, researchers ran tests involving 20 juvenile bonnethead (Sphyrna