Features

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  Data Smog: Surviving the Info Glut

  The ability to churn out ever greater volumes of information in a variety of formats has exceeded our ability to process it. Fortunately, firm action, both personal and political, can help clear the air.
• Categorized in 17037

  Missile Defense: The Sequel

  Today’s programs for defending against missile attacks are less ambitious than the Reagan-era Star Wars efforts. But the new systems are still too easily foiled, and their deployment would slow arms cuts.
• Categorized in 17035

  Killing the Last Cancer Cell

  Recognizing that tumor cells lurking in the body after cancer treatment will cause a relapse of cancer, scientists are working to employ nature’s army-the immune system-to destroy remaining enemy outposts.
• Categorized in 17035

  The Case of the Vanishing Frogs

  Are the world’s amphibians-vulnerable to eco-logical changes in water and on land-acting like canaries in a coal mine, warning us of environmental dangers below the threshold of human perception?