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  1. 19238

    “Sensing a Vibe: Seismic-alert system could give Los Angeles a few seconds’ warning” (SN: 5/3/03, p. 276: Sensing a Vibe: Seismic-alert system could give Los Angeles a few seconds’ warning) says that the S waves travel at about one-half the speed of the P waves. Then, in this article, it would appear that the P […]

    By Science News
  2. Earth

    Seismic waves resolve continental debate

    New analyses of seismic waves that have traveled deep within Earth may answer a decades-old question about the thickness of the planet's continents.

    By Sid Perkins
  3. Health & Medicine

    Protein implicated in Parkinson’s disease

    Inhibiting the natural protein cyclo-oxygenase-2, or COX-2, might help fight Parkinson's disease.