News
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Pulling Together: Mitotic ring self-assembly revealed
A ring of proteins forms around the "waistlines" of cells to contract and split the cells in two, and scientists have now discovered how that ring self-assembles.
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AnimalsHatch a Thief: Brains incline birds toward a life of crime
When it comes to a bird family's propensity to pilfer, a larger than usual brain for a particular body size is more important than body size alone.
By Susan Milius -
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AnthropologyAncient Ailment? Early human may have carried tuberculosis
A 500,000-year-old Homo erectus skull from Turkey may show telltale signs of tuberculosis, by far the earliest such evidence of the disease.