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We summarize the week's scientific breakthroughs every Thursday.

  1. Animals

    Ants changed the architecture of their nests when exposed to a pathogen

    Black garden ants made tweaks to entrances, tunnels and chambers that may help prevent diseases from spreading.

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  2. Space

    2 spacecraft caught the waves that might heat and accelerate the solar wind

    Data from NASA’s Parker Solar Probe and ESA’s Solar Orbiter might have cracked an enduring solar riddle. But not everyone yet agrees.

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  3. Animals

    Can leeches leap? New video may help answer that debate

    For some, it’s the stuff of nightmares. But a grad student’s serendipitous cell phone video might resolve a long-running debate over leech acrobatics.

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