Features

• Stranger in a New Land: Digging Dmanisi

  Kate Wong   | November 1, 2003  |

• The Unseen Genome: Gems among the Junk

  Just when scientists thought they had DNA almost figured out, they are discovering in chromosomes two vast, but largely hidden, layers of information that affect inheritance, development and disease

  W. Wayt Gibbs   | November 1, 2003  |

• Stranger in a New Land: Overview / The First Colonizers

  Kate Wong   | November 1, 2003  |

• Why We Sleep

  The reasons that we sleep are gradually becoming less enigmatic

  Jerome M. Siegel   | November 1, 2003  |

• An Army of Small Robots

  For robot designers these days, small is beautiful

  Robert Grabowski, Luis E. Navarro-Serment and Pradeep K. Khosla   | November 1, 2003  |

• Stranger in a New Land

  Stunning finds in the Republic of Georgia upend long-standing ideas about the first hominids to journey out of Africa

  Kate Wong   | November 1, 2003  | 1

• The Future of String Theory -- A Conversation with Brian Greene

  The physicist and best-selling author demystifies the ultimate theories of space and time, the nature of genius, multiple universes, and more

  November 1, 2003  | 1

• Stranger in a New Land: Skull Suprises

  Kate Wong   | November 1, 2003  |

• Flying on Flexible Wings

  Future aircraft may fly more like birds, adapting the geometries of their wings to best suit changing flight conditions

  Steven Ashley   | November 1, 2003  |

• The Asteroid Tugboat

  To prevent an asteroid from hitting Earth, a space tug equipped with plasma engines could give it a push

  Russell L. Schweickart, Edward T. Lu, Piet Hut and Clark R. Chapman   | November 1, 2003  | 1