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  1. Genetics

    Here’s why some pigeons do backflips

    Meet the scientist homing in on the genes involved in making parlor roller pigeons do backward somersaults.

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  2. Finally, scientists are making progress on long COVID

    Editor in chief Nancy Shute discusses researchers' efforts to uncover long COVID's mysteries.

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  3. Readers discuss ancient plagues and a fern’s leaf revival

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  4. Neuroscience

    Chickadees use memory ‘bar codes’ to find their hidden food stashes

    Unique subsets of neurons in a chickadee’s memory center light up for each distinct cache, hinting at how episodic memories are encoded in the brain.

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  5. Neuroscience

    Here’s how magnetic fields shape desert ants’ brains

    Exposure to a tweaked magnetic field scrambled desert ants’ efforts to learn where home is — and affected neuron connections in a key part of the brain.