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  1. Health & Medicine

    2009 Science News of the Year: Nutrition

    Natural vanilla extract comes from pods (shown), but most vanillin is synthesized in the lab. Credit: De-Kay/istockphoto That yeast smells good Yeast has long been pressed into service for making beer and bread. Now the fungus has been tapped for a loftier flavor: vanillin, vanilla’s dominant compound (SN: 5/23/09, p. 9). Natural vanilla comes from […]

    By Science News
  2. Life

    2009 Science News of the Year: Life

    Breeding records for sheep on Hirta offer an unusual opportunity to study inheritance. Image Credit: Arpat Ozgul Gentler winters shrink sheepWarming has trumped the benefits of fat to shrink sheep on the remote North Atlantic island of Hirta, a new analytical approach has revealed (SN: 8/1/09, p.