News

  1. Health & Medicine

    Herpes virus homes in on cancer target

    Herpes simplex virus 1 has an affinity for cells with a mutation that marks many tumors, indicating how the virus may be refined as a cancer therapy and that certain new drugs might attack herpes itself.

    By Charlotte Schubert
  2. Astronomy

    Landing data confirm Eros’ primitive nature

    Gamma rays detected by the NEAR Shoemaker spacecraft after it landed on asteroid 433 Eros add to evidence that the rock is unaltered since the birth of the solar system.

    By Ron Cowen
  3. Tech

    Optics oddity challenges microchip makers

    An obscure optical effect called instrinsic birefringence has suddenly appeared as a threat to technology for making denser, faster microchips.