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  1. Animals

    Study ranks Greenland shark as longest-lived vertebrate

    Radiocarbon in eye lenses suggests mysterious Greenland sharks might live for almost 400 years.

    By Susan Milius
  2. Science & Society

    Cancer drug came from traditional Chinese medicine

    Researchers looked to traditional Chinese medicine for cancer treatment clues 50 years ago. Today, synthetic versions treat a variety of cancers.

    By Cassie Martin
  3. Neuroscience

    Mix of brain training, physical therapy can help paralyzed patients

    Long-term training with brain-machine interface helps people paralyzed by spinal cord injuries regain some feeling and function.

    By Meghan Rosen
  4. Animals

    Colugo genome reveals gliders as primate cousins

    New genetic analysis suggests gliding mammals called colugos are actually sisters to modern primates.