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  1. Humans

    From the October 18, 1930, issue

    alt=”Click to view larger image”> ARCHAEOLOGISTS FIND PATIENT PERUVIAN SURGEONS LOST One of the most interesting of the many ancient skulls that have been brought out of Peru bears what is probably the earliest known gauze compress–certainly the earliest surgical dressing of the kind that has been discovered on this continent. The bold cranial surgery […]

    By Science News
  2. Math

    Math on Stamps

    Jeff Miller, a mathematics teacher in Florida, has assembled an amazing collection of images featuring mathematicians and mathematical ideas or events on postage stamps. Check out your favorites, from Niels Henrik Abel to Stanislaw Zaremba. Go to: http://jeff560.tripod.com/.

    By Science News
  3. Earth

    Composted sewage captures dirt’s lead

    Lead-contaminated soil in urban parks, gardens, and schoolyards could be made safer by adding composted organic waste.