Life

  1. Animals

    Bedbugs may be into dirty laundry

    When humans aren’t around, bedbugs go for the next best thing: smelly human laundry.

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  2. Paleontology

    Saber-toothed kittens were born armed to pounce

    Even as babies, saber-toothed cats had not only oversized canine teeth but also unusually powerful forelimbs.

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  3. Paleontology

    This giant marsupial was a seasonal migrant

    The giant, extinct marsupial Diprotodon optatum migrated seasonally, the first marsupial shown to do so.

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  4. Paleontology

    This giant marsupial was a seasonal migrant

    A new analysis suggests that Diprotodon optatum, a giant plant-eating marsupial that went extinct about 40,000 years ago, migrated long distances, much like today’s zebras and wildebeests.

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  5. Animals

    To test sleep, researchers don’t let sleeping jellyfish lie

    Upside-down jellyfish are the first known animals without a brain to enter a sleeplike state.

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  6. Health & Medicine

    From day one, a frog’s developing brain is calling the shots

    Frog brains help organize muscle and nerve patterns early in development.

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  7. Environment

    The way poison frogs keep from poisoning themselves is complicated

    Gaining resistance to one of their own toxins forced some poison dart frogs to make other genetic tweaks, too.

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  8. Neuroscience

    Gene variant linked to Alzheimer’s disease is a triple threat

    A genetic risk factor for Alzheimer’s disease works on multiple aspects of the disease, researchers report.

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  9. Paleontology

    Shhhh! Some plant-eating dinos snacked on crunchy critters

    Scientists studying dinosaur poop found that some duck-billed dinos cheated on their vegetarian diets by snacking on crustaceans.

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  10. Animals

    This newfound hermit crab finds shelter in corals, not shells

    A newly discovered hermit crab takes its cue from peanut worms and uses walking corals as a permanent shelter.

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  11. Health & Medicine

    By ganging up, HIV antibodies may defeat the virus

    A duo or trio of powerful antibodies was effective at stopping an HIV-like infection in lab monkeys, two studies find.

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  12. Genetics

    In a first, human embryos edited to explore gene function

    In groundbreaking research, CRISPR/Cas9 used to study human development for the first time.

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