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  1. Anthropology

    Gene implicated in apes’ brain growth

    A gene with poorly understood functions began to accumulate favorable mutations around 8 million years ago and probably contributed to brain expansion in ancient apes.

    By Bruce Bower
  2. 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
  3. 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
  4. 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.