News

  1. Health & Medicine

    Raloxifene doesn’t hike breast density

    Estrogen-replacement therapy that includes estrogen increases breast-tissue density among postmenopausal women, but the estrogen-replacement drug raloxifene doesn’t.

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  2. Flood’s rising? Quick, start peeing!

    Malaysian ants that nest in giant bamboo fight floods by sipping from water rising inside and then dashing outdoors to pee.

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  3. Warblers make species in a ring

    Genetic and song analyses of the greenish warblers in forests around the Tibetan Plateau suggest the birds represent a long-sought evolutionary quirk called a ring species.

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  4. Brain takes emotional sides for sexes

    Men's and women's brains may adopt different approaches to fostering memories of emotional experiences.