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  1. Health & Medicine

    Taking a Jab at Cancer

    Vaccines that train a person's immune system to kill cancerous cells, when combined with drugs that block tumor defense mechanisms, are starting to show promise.

    By Patrick Barry
  2. Humans

    Letters from the August 11, 2007, issue of Science News

    Sum kids While testing was done on 5- or 6-year-old children (“Take a Number: Kids show math insights without instruction,” SN: 6/2/07, p. 341), it would be interesting to see if this intuitive skill persists after these students are exposed to standard mathematical instruction in the higher grades. I suspect that the answer will be […]

    By Science News
  3. Humans

    From the July 31, 1937, issue

    Giant dragonflies from the Carboniferous period, a dust cloud obscuring stars near the sky's north pole, and a list of 13 inventions predicted to have great social significance.