News

  1. Health & Medicine

    New rules for cellular entry may aid antibiotic development

    A new study lays out several rules to successfully enter gram-negative bacteria, which could lead to the development of sorely needed antibiotics.

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  2. Animals

    Seabirds use preening to decide how to divvy up parenting duties

    Seabirds in poor condition may communicate this information to their partner by delaying or withholding preening.

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  3. Anthropology

    Homo naledi may have lived at around same time as early humans

    South African species Homo naledi is much younger than previously thought.

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  4. Planetary Science

    Oxygen on comet 67P might not be ancient after all

    Molecular oxygen detected around comet 67P may not be a relic of the solar system’s birth.