News

  1. Chemistry

    Novel reaction produces hydrogen

    Chemists have found a new way to produce hydrogen using only water, an organic liquid, and a metal catalyst.

    By Aimee Cunningham
  2. Chemistry

    Cactus goo purifies water

    Scientists are working on an environmentally benign water-filtering process that uses the nopal cactus.

    By Aimee Cunningham
  3. 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
  4. 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.