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  1. Environment

    Cheatgrass thrives on the well-lit urban night scene

    Middle-grade campers team up with ecologists at Denver University to show that streetlights boost the growth of a reviled invasive species.

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  2. Health & Medicine

    Scientists Say: Tonsils

    The tonsils are pads of tissue in the throat that are part of the body’s immune system.

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  3. Tech

    Synthetic trees could tap underground water in arid areas

    They also could also help coastal residents mine fresh water from salty sources.

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  4. Animals

    Will the woolly mammoth return?

    Scientists are using genetic engineering and cloning to try to bring back extinct species or save endangered ones. Here’s how and why.

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  5. Animals

    Cloning boosts endangered black-footed ferrets

    A cloned ferret named Elizabeth Ann brings genetic diversity to a species that nearly went extinct in the 1980s.

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  6. Science & Society

    Empty stadium ‘ghost games’ increase losses for home teams

    European soccer teams playing at home during the pandemic also racked up more foul calls.

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  7. Psychology

    What happened when Simone Biles got the twisties at the Olympics?

    Stress might have led to physical and mental disorientation during the gymnastics competition. Still, a lot about the phenomenon remains unknown.

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  8. Brain

    Scientists Say: Haptic

    Haptic is an adjective used to describe things related to our sense of touch.

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  9. Health & Medicine

    Cannabis may alter a teen’s developing brain

    Marijuana use between ages 14 and 19 was linked to faster thinning of brain regions important in decision-making.

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  10. Archaeology

    A medieval grave may have held a powerful nonbinary person

    A 1,000-year-old grave in Finland, once thought to hold a respected woman warrior, may belong to someone who didn’t have a strictly male or female identity.

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  11. Psychology

    How to resist and counter today’s flood of fake news

    Although misinformation bothers most people, few know how to spot deceit or nonsense, studies find.

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  12. Fossils

    Baby pterosaurs may have been able to fly right after hatching

    A bone crucial for lift-off was stronger in hatchling pterosaurs than in adults. The baby reptiles also had shorter, broader wings than grown-ups.

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