Features

• Scars That Won't Heal: The Neurobiology of Child Abuse

  Maltreatment can have enduring effects on a child's developing brain, diminishing growth and reducing activity in key areas

  Martin H. Teicher   | March 1, 2002  |

• Primes and Crimes

  No one has seen signs of extraterrestrials using a distributed computation project (yet), but people have found the largest-known prime numbers, five-figure reward money--and legal trouble.

  Graham P. Collins   | March 1, 2002  |

• The Cosmic Reality Check

  A gentle radiance pervading the heavens suggests that astronomers' inventory of cosmic objects may soon be complete

  Günther Hasinger and Roberto Gilli   | March 1, 2002  |

• How Should Reading Be Taught?

  A highly popular method of teaching reading to children is inadequate on its own

  Keith Rayner, Barbara R. Foorman, Charles A. Perfetti, David Pesetsky and Mark S. Seidenberg   | March 1, 2002  |

• Repeated Blows

  Extraterrestrial impacts ended the age of the dinosaurs. New research shows that they could have been the culprits behind many mass extinctions as well

  Luann Becker   | March 1, 2002  |

• Attacking Anthrax

  Recent discoveries are suggesting much-needed strategies for improving prevention and treatment. High on the list: ways to neutralize the anthrax bacterium's fiendish toxin

  John A. T. Young and R. John Collier   | March 1, 2002  |

• Detecting Anthrax

  Rapid sensing would save lives

  Rocco Casagrande   | March 1, 2002  | 1

• The Worldwide Computer

  An operating system spanning the Internet would bring the power of millions of the world's Internet-connected PCs to everyone's fingertips

  David P. Anderson and John Kubiatowicz   | March 1, 2002  |