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  1. Tech

    A new device uses atoms’ quantum weirdness to peer underground

    Quantum sensors like this one could monitor magma beneath volcanoes or uncover archaeological artifacts.

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  2. Science & Society

    Let’s learn about citizen science

    Volunteers across the globe are gathering and analyzing data for research on the environment, health, space and more.

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  3. Math

    Scientists Say: Equation

    An equation states that two groups of numbers or variables are equal to each other.

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  4. Climate

    UN report calls for two-pronged approach to slow climate impacts

    The latest IPCC climate change report underscores an urgent need for action to avoid the worst consequences of global warming.

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  5. Chemistry

    A disinfectant made from sawdust knocks out deadly microbes

    It’s made by pressure-cooking sawdust and water, is cheap and easy to make — and could lead to greener cleaning products than chemicals used today.

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  6. Health & Medicine

    Sickle-cell gene therapies offer hope — and challenges

    Doctor Erica Esrick discusses existing treatments and an ongoing clinical trial for a gene therapy to treat sickle cell disease.

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  7. Genetics

    Explainer: What is sickle cell disease?

    Gene mutations can alter an individual’s hemoglobin in ways that curl their blood cells. This can cause painful sickle cell disease.

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  8. Animals

    The end of the dinosaurs appears to have come in springtime

    Fish fossils from North Dakota suggest when the Chicxulub asteroid devastated Earth, triggering the mass extinction of dinosaurs and other species.

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  9. Health & Medicine

    Explainer: The body’s immune system

    An army of cells — and their protein arsenal — work to keep us safe. Several squads of special forces possess unique superpowers to disable or kill intruders.

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  10. Tech

    Scientists Say: Machine learning

    Machine learning allows computers to learn new skills without programmers having to write out step-by-step instructions.

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  11. Archaeology

    The earliest known pants are surprisingly modern — and comfy

    This 3,000-year-old garment was not only stylish but also functional. By recreating it, scientists also unraveled its complex and multicultural origins.

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  12. Earth

    The Alps’ Matterhorn shows how much even big mountains sway

    Such mountain sway data can help planners map high-risk zones for peaks, bridges or any large structures.

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