Life

  1. Earth

    General relativity has readers feeling upside down

    Readers respond to the June 25, 2016, issue of Science News with questions on Earth's age, moaning whales, plate tectonics and more.

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  2. Genetics

    Scientists get a glimpse of chemical tagging in live brains

    For the first time scientists can see where molecular tags known as epigenetic marks are placed in the brain.

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  3. Genetics

    Scientists get a glimpse of chemical tagging in live brains

    For the first time scientists can see where molecular tags known as epigenetic marks are placed in the brain.

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  4. Paleontology

    Humans may have taken different path into Americas than thought

    An ice-free corridor through the North American Arctic may have been too barren to support the first human migrations into the New World.

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  5. Paleontology

    T. rex look-alike unearthed in Patagonia

    A new dinosaur species discovered in Patagonia has the runty forearms of a Tyrannosaurus rex, but is not closely related to the gigantic predator.

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  6. Animals

    Betty the crow may not have invented her hook-bending tool trick

    Textbook example of Betty the crow’s proposed insight into toolmaking is now called into question by observations of similar hook bending by wild New Caledonian birds.

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  7. Neuroscience

    Aging-related protein may play role in depression

    Mouse study reveals link between aging protein and depression.

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  8. Animals

    These lizards bleed green

    Blood and bones turn naturally green in island lizards. Their evolutionary history still needs explaining.

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  9. Genetics

    Ancient reptiles saw red before turning red

    The discovery that birds and turtles share a gene tied to both color vision and red coloration is more evidence that dinosaurs probably saw the color red — and perhaps were even red, too.

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  10. Neuroscience

    ‘Neural dust’ can listen to body’s electrical signals

    Tiny crystals can detect electrical signals in nerves and muscles of rats.

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  11. Science & Society

    Sea life stars in museum’s glass menagerie

    See Leopold and Rudolf Blaschkas’ delicate glass jellyfish, anemones, sea worms and other marine invertebrates at the Corning Museum of Glass.

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  12. Science & Society

    FDA OKs first GM mosquito trial in U.S. but hurdles remain

    The FDA has concluded that test releases of Oxitec GM mosquitoes on a Florida key poses no significant problem for the environment, but local officials still have to agree

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