News

  1. Health & Medicine

    Calcium’s possible role in Alzheimer’s

    A new study in mice finds that plaques associated with Alzheimer’s wreak havoc on calcium’s role in cell signaling.

    By Patrick Barry
  2. Paleontology

    Soft tissue in fossils still mysterious

    New research suggests modern biofilms could contaminate ancient fossils.

    By Sid Perkins
  3. Health & Medicine

    To catch a cheat

    Drug test cheaters find quick fixes on the Web, but toxicologists aren’t so easily fooled.

    By Ashley Yeager
  4. Life

    Nature’s chronic boozers

    Tree shrews pub-crawl nightly from flower to flower for fermented palm nectar.

    By Susan Milius
  5. Health & Medicine

    Statins versus dementia

    Statins, developed to fight cholesterol, may also prevent some dementia, a study of older Hispanics finds.