News

  1. Anthropology

    Gene change hints at brain evolution

    A genetic mutation found only in humans first appeared around 2.8 million years ago, perhaps setting the stage for brain enlargement in the Homo lineage.

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  2. Health & Medicine

    Bacteria offer drug for organ recipients

    Korean investigators have identified a compound that suppresses the immune system of animals.

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  3. Rift of Gab: Speech insights spark statistical static

    A controversial new study suggests that people use statistical regularities in language to recognize individual words but not to discern rules for word construction.

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  4. Chemistry

    Germ Fighter: Lens coating may keep contacts in eye longer

    A new antibacterial coating may allow contact lenses to remain in a person's eyes for up to 3 months.