Uncategorized

  1. Astronomy

    Seeing Red: A cool revival of Hubble’s infrared camera

    New images provide a graphic demonstration that the Hubble Space Telescope's infrared vision has been restored.

    By Ron Cowen
  2. Health & Medicine

    Efficient Germ: Human body boosts power of cholera microbe

    Some genes in the cholera-causing bacterium Vibrio cholerae are activated and others are silenced when the microbe passes through the human gut, changes that make the bacterium more virulent.

    By Nathan Seppa
  3. Ecosystems

    Plight of the Iguanas: Hidden die-off followed Galápagos spill

    Residues of oil spilled in the Galapágos Islands in January 2001 may have caused a 60 percent decline in one island's colony of marine iguanas.