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  1. 19034

    Phthalates have been subject to significant regulatory scrutiny by governmental agencies. Centers for Disease Control and Prevention data show exposure levels well within the safety levels established by federal regulators. Further, a growing body of evidence indicates that studies using rodents may not be relevant to humans. Marian K. StanleyAmerican Chemical CouncilArlington, Va.

    By Science News
  2. Earth

    Proof of Burden

    Two teams of scientists report that the blood and urine of most Americans contain toxic cocktails of metals, artificial hormones, and chemical ingredients of plastics, flame retardants, pesticides, herbicides, and disinfectants.

    By Ben Harder
  3. Humans

    From the July 12, 1930, issue

    FISH’S-EYE VIEW A poet once wished for the gift to see ourselves as others see us.