News

  1. Archaeology

    French site sparks Neandertal debate

    Radiocarbon analyses of material from a French cave indicate that Neandertal and modern human occupations of the site overlapped around 36,000 years ago, possibly explaining why Neandertals began to employ some new toolmaking techniques around that time.

    By Bruce Bower
  2. Health & Medicine

    Lead in spice mixes caused poisonings

    Contaminated spices, purchased from poorly regulated sources, can explain some cases of lead poisoning that involve several members of a family.

    By Ben Harder
  3. Earth

    The river’s rising: A depressing effect

    When the Amazon River swells in flood each rainy season, the immense weight of the water causes Earth's surface in the region to sink dozens of centimeters.