News

  1. Animals

    These birds clack their wing bones together to woo mates at night

    During courtship, male scissor-tailed nightjars crack their wings together to make a sharp snapping sound. It's the result of colliding arm bones.

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  2. Paleontology

    Some pterosaurs may have boasted bold iridescence

    A new analysis of a 120-million-year-old fossil suggests at least one pterosaur species shimmered in iridescent greens and magentas.

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  3. Health & Medicine

    A drug may help people on GLP-1 meds preserve muscle

    In a clinical trial, an experimental antibody reduced lean-mass loss in people on a GLP-1 drug. Whether that improves health is unclear.

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  4. Math

    AI cracked an Erdős math problem.