Notebook

  1. Paleontology

    ‘Hidden dragon’ fossil is oldest flying reptile

    Researchers have unearthed the oldest pterodactyl ever discovered: Kptodrakon progenitor soared over the Earth 163 million years ago.

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  2. Tech

    Animated movies made by computer

    A 17-minute animated movie made with a computer in 1964 took 2,000 hours of film processing and cost $600 per minute. The 2013 animated film Frozen cost about $1.5 million per minute to make.

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  3. Physics

    Laser kicks molecules into fastest ever spin

    The powerful kick of a laser has spun molecules faster than they’ve ever been spun before: 10 trillion rotations per second, or 600 trillion RPM.

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  4. Microbes

    One giant leap for zit-causing microbes

    A bacterium that lives on humans and causes acne also hopped to domesticated grapevines and relies on the plant for crucial DNA repairs.

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  5. Neuroscience

    What’s behind rising autism rates

    Better diagnosis may be driving a recent spike in autism.

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  6. Tech

    Soft robots go swimming

    A new robotic fish can wiggle and writhe like the real thing.

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  7. Animals

    See-through shrimp flex invisible muscle

    Much of the body of a Pederson’s transparent shrimp looks like watery nothing, but it’s a superhero sort of nothing.

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  8. Paleontology

    Ancient crustacean had elaborate heart

    The now-extinct Fuxianhuia protensa had a fancy cardiovascular system that sent blood to its limbs and organs, including its brain.

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  9. Science & Society

    Millions of working mamas

    It has been a long time since millions of American women working outside the home was big sociological news. Women are now 47 percent of the U.S. workforce.

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  10. Psychology

    Grief takes its toll

    A person’s risk of heart attack or stroke is doubled in the month following the death of a spouse or partner.

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  11. Tech

    English Channel tunnel

    First proposed in 1802 as a tunnel for horse-drawn carriages, the Channel Tunnel, or Chunnel, was built starting in 1987 and opened in 1994.

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  12. Paleontology

    The dinosaur ‘chicken from hell’

    Fossils suggest that a supersized chickenlike reptile called Anzu wyliei roamed what are now the Dakotas roughly 67 million years ago.

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