History

• China moves to help high-tech firms - Premium content

  But initiatives meet with mixed response.

  10 November 2009

• Prehistoric Clovis culture roamed southwards - Premium content

  Stone tools and bones of an ancient tusker found at extensive Mexican site.

  21 October 2009

• Darwin's geological mystery solved - Premium content

  Origin of odd South American boulders may have defeated the Origin's author.

  20 October 2009

• Impact theory under fire once more - Premium content

  Archaeologists fail to find evidence for comet explosion.

  14 October 2009

• North America comet theory questioned - Premium content

  No evidence of an extraterrestrial impact 13,000 years ago, studies say.

  12 October 2009

• Global warming may worsen locust swarms - Premium content

  Ancient records link a hotter climate to more damaging infestations.

  7 October 2009

• Eastern Europe: Beyond the bloc - Premium content

  30 September 2009

• Evolution: Mouth to mouth - Premium content

  Hagfish and lampreys are the only surviving fish without jaws. And they could solve an evolutionary mystery, finds Henry Nicholls.

  9 September 2009

• First swine flu death on the Galapagos - Premium content

  Spread of virus shows islands no longer in evolutionary isolation.

  8 September 2009

• Pandemic flu: from the front lines - Premium content

  Researchers describe the scientific and public-health challenges they face in battling the H1N1 virus.

  2 September 2009