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Health & MedicineCooking Up a Carcinogen
The discovery that acrylamide—a known animal carcinogen—forms in many foods as they fry or bake has prompted the development of an international research network to investigate whether it poses a threat.
By Janet Raloff -
ChemistryDon’t eat the pepper-flavored paint
A derivative of the spicy chemical in chili peppers could find its way into a variety of products, including veterinary sutures and fiber optic cables.
By Corinna Wu -
ChemistryGlowing bacteria gobble gook in soil
A genetically engineered bacterium lights up as it breaks down organic contaminants in soil.
By Corinna Wu -
Nogo makes cord regrowth a no go
Researchers have identified the gene for a protein that inhibits the regrowth of nerves in the spinal cord.