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Big-Brained Mammals at Greatest Risk of ExtinctionA big brain can be a liability instead of an asset for many mammals, finds new research that identifies a reversal of a 40-million-year-old trend.
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Tidy Monkeys Shed Light on Human CleanlinessMonkeys that are revolted by often disease-carrying things such as poop suggest that disgust drives cleanliness - and health.
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Dinosaur 'Romeo and Juliet' Found Buried TogetherA dinosaur couple that appears to have died together after wooing each other has been identified in remains unearthed at the Gobi Desert in Mongolia.
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Why Black Widow Spider Venom Is So PotentBlack widow spiders have rapidly evolved super lethal venom, such that the spiders are now building stronger webs to handle ever-bigger prey.
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North Pole's Reindeer Population PlummetsInbreeding, poaching, a lack of herders and climate change are contributing to the iconic animal's decline.
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Why Dried Whiskey Under Microscope Looks Like ArtDried whiskey looks like fine art when magnified thanks to its chemical composition and a cool aspect of fluid dynamics known as the Marangoni Effect.
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How Wolf Packs Organize to KillWolf packs, like people, organize themselves for maximum success, only the goal in the case of wolf hunting packs is to kill for survival.
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The Real Reason Zebras Have StripesZebra stripes turn out to have a surprising function.
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Ants Build Raft to Escape Flood, Protect QueenResourceful ants know what to do during a flood: They build a raft and stick the queen right in the middle of it.
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Captive Shark Ray Gives Birth to SeptupletsSweet Pea, a shark ray, just gave birth to seven pups, making her the first shark ray in captivity to successfully give birth.
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Gender-Bending Bird Breaks Migration RecordA bird known for its gender-bending ways has yet again surprised researchers by breaking Europe's bird migration record.
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The Dog Paddle Is Just an Underwater JogThe 'dog paddle' closely resembles how pups trot on land, new research shows.
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First South Americans Ate Giant SlothsGiant sloths were on the menu for humans that arrived in the Americas 30,000 years ago, a new study suggests.
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Grab-and-Go Beetle Hoards Poo and GallopsA dung beetle in Africa has traded flight for galloping, picking up dried feces along the way.
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Women 'Smell' Their CompetitionJust a whiff of a woman close to ovulation is enough to stimulate another woman's testosterone levels.
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How Turtles Got Their ShellsTurtle shells evolved before dinosaurs roamed the earth.
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First Love Child of Human, Neanderthal FoundA neanderthal skeleton unearthed in Italy shows interbreeding with humans, the first such known hybrid.
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1st African American Man Dates Back 338,000 YearsA miniscule bit of DNA from an African American man now living in South Carolina has been traced back 338,000 years.
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Penguins Wear a Shield of Cold Air in WinterEmperor penguins gain body heat using convection from the surrounding air.
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Viruses Pass Major Test to Enter Ranks of LivingViruses with their own immune systems can kill bacteria, and could be key in fighting superbugs.
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Cats Take on Owners' Habits (Good and Bad)Cat starting to copy your habits? Don't be alarmed ...
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Christmas Bird Count UnderwayThe 113th annual Christmas Bird Count is now underway! Join in!
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Dinosaur with Giant Nose DiscoveredWith its oversized schnauzer, this newly identified dino likely had an impressive sense of smell.
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Tofu May Improve Your Sex LifePeople who consume tofu and other plant-based foods might enjoy a better sex life than meat-eaters.
