News
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ChemistryGerm-killing plastic wrap
Scientists have developed biodegradable plastics that release natural germ-killing agents onto the foods wrapped inside.
By Janet Raloff -
ChemistryToxic runoff from plastic mulch
Pesticide runoff from tomato fields covered with sheets of plastic can kill fish, clams, and other aquatic life.
By Janet Raloff -
ChemistryNew solution for kitchen germs
Acidic electrolyzed water appears to kill foodborne germs more effectively than a bath of dilute bleach.
By Janet Raloff -
Brains generate a body of feeling
Happiness, sadness, and other basic emotions activate unique networks of brain areas that track the body's internal status.
By Bruce Bower -
Abused kids lose emotional bearings
Physical abuse and neglect appear to undermine preschoolers' emotional development in different ways.