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  1. Plants

    Check out 6 ways orchids use tricks to reproduce

    This spring, these six orchids will lure pollinators with mimicry, scent or other unusual strategies.

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  2. Animals

    Mosquitoes get the ‘I’m full’ signal from their butts, not their brains

    Mosquitoes stop feeding because signals from rectal cells tell them they’re full, offering a target for preventing human bites.

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  3. Health & Medicine

    GLP-1 microdosers are chasing longevity

    Experimenters hope to harness the powerful effects of medications such as Ozempic and Wegovy at doses smaller than those studied most.

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  4. Math puzzle: Fresh gridflowers

    Solve the math puzzle from our April 2026 issue, where we plant floras to celebrate an upcoming nuptial.