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  1. Particle Physics

    Readers ask about proton pressure, wearable tech and more

    Readers had questions about the pressure inside a proton, wearable tech safety and the effects of global warming on insects.

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  2. Science & Society

    In research, detours are a key part of discovery

    Editor in Chief Nancy Shute discusses the scientific process and the often contradictory research about Alzheimer's disease.

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  3. Astronomy

    See this star nursery shine in a stunning new infrared image

    A newly released image of star cluster RCW 38 shows the intricate details of wisps of gas and dust surrounding newborn stars.

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  4. Climate

    Bloodflowers’ risk to monarchs could multiply as climate changes

    High atmospheric carbon dioxide levels can weaken the medicinal value of a milkweed that caterpillars eat, and high temperatures may make the plant toxic.