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  1. Planetary Science

    Samples of the asteroid Ryugu are scientists’ purest pieces of the solar system

    Samples Hayabusa2 brought to Earth from asteroid Ryugu are far fresher than similar types of meteorites that scientists have found.

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  2. Quantum Physics

    Quantum physics exponentially improves some types of machine learning

    It wasn’t entirely clear if quantum computers could improve machine learning in practice, but new experiments and theoretical proofs show that it can.

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  3. Climate

    Ancient penguin bones reveal unprecedented shrinkage in key Antarctic glaciers

    Thwaites and Pine Island glaciers are losing ice faster than any other time in the last 5,500 years. That history is written in bones and shells.

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  4. Tech

    Scientists grew living human skin around a robotic finger

    In the hopes of one day building super realistic cyborgs, researchers built a robotic finger that wears living human skin.

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  5. Science & Society

    How having health care workers handle nonviolent police calls may impact crime

    A new study analyzes a Denver program that sends a mental health professional and EMT to handle trespassing and other minor crime offenses.

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  6. Chemistry

    A pigment’s shift in chemistry robbed a painted yellow rose of its brilliance

    The degradation of an arsenic-based paint stripped shadows and light from a still life flower in a 17th century work by painter Abraham Mignon.

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  7. Animals

    Mosquitoes prefer dozing over dining when they are sleep-deprived

    Mosquitoes repeatedly shaken to prevent slumber lag behind well-rested ones when offered a researcher’s leg to feed on, new experiments show.

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  8. Paleontology

    How mammals took over the world

    In the book The Rise and Reign of the Mammals, paleontologist Steve Brusatte tracks the evolutionary innovations that made mammals so successful.

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  9. Earth

    Ancient zircons offer insights into earthquakes of the past

    Analyzing zircons’ chemical makeup can help expose intense quakes from the past and improve our understanding of the physics of today’s tremors.

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  10. Anthropology

    A new origin story for domesticated chickens starts in rice fields 3,500 years ago

    Chickens, popular on today’s menus, got their start in Southeast Asia surprisingly recently, probably as exotic or revered animals, researchers say.

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  11. Science & Society

    Growing wildfire threats loom over the birthplace of the atomic bomb

    Climate change is expected to make wildfires worse across much of the Southwest United States. A key nuclear weapons lab could be in the hot zone.

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  12. Astronomy

    A newfound, oddly slow pulsar shouldn’t emit radio waves — yet it does

    The highly magnetic neutron star rotates three times slower than the previous record holder, challenging the theorical understanding of these objects.

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