News

  1. Health & Medicine

    Stem cell shift may lead to infections, leukemia

    Aging of blood-producing stem cells could be responsible for the relatively high incidence of infections and myeloid leukemia in the elderly.

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  2. Animals

    He Clones, She Clones: Dad, mom ants as different species

    In the little fire ant, males and queens clone themselves, the closest science has gotten to declaring males and females as separate species.

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  3. Mother Knows Worst: Abusive parenting spans generations in monkeys

    Many female rhesus monkeys who were abused as infants by their mothers do the same to their own infants, raising the prospect of using these animals as a model for human child abuse.