News

  1. Tech

    Fluid lens flows into focus

    By controlling a boundary between oil and water, researchers have created a liquid lens that can quickly alter its shape in response to electric signals.

    By Peter Weiss
  2. Health & Medicine

    Papillomavirus infections spike in sunny months

    Getting sun could increase vulnerability to a sexually transmitted virus that may lead to cervical cancer.

    By Ben Harder
  3. Health & Medicine

    Exercise after breast cancer extends life

    After a woman survives an initial bout with breast cancer, being physically active improves her odds of beating the disease over the long term.

    By Ben Harder
  4. Plants

    A Frond Fared Well: Genes hint that ferns proliferated in shade of flowering plants

    Analyses of genetic material from a multitude of fern species suggest that much of that plant group branched out millions of years after flowering plants first appeared, a notion that contradicts many scientists' views of plant evolution.