January 2008

• Greenhouse effect has 'significantly dried' the western United States - Premium content

  Stop development in southwestern states, say researchers.

  31 January 2008

• Languages divide, then bloom - Premium content

  Linguistic evolution is marked by "punctuational bursts".

  31 January 2008

• Deep-ocean vents are a source of oil and gas - Premium content

  Hydrocarbons bubble up from the mid-Atlantic's Lost City.

  31 January 2008

• Little lab of horrors - Premium content

  Enzymes from insect-eating plants could give us new antibacterial products.

  31 January 2008

• 'Normal' genes key to cancer growth - Premium content

  Shutting off genes stops cancer cells from growing but leaves healthy cells unharmed.

  31 January 2008

• Human behaviour: Killer instincts - Premium content

  What can evolution say about why humans kill - and about why we do so less than we used to? Dan Jones reports.

  30 January 2008

• Briefing: Stormy weather - Premium content

  Experts still divided on the link between climate change and hurricanes.

  30 January 2008

• Reviewer leaked Avandia study to drug firm - Premium content

  GlaxoSmithKline told early of diabetes blockbuster's links to heart attacks.

  30 January 2008

• Health problems linger in concussed veterans - Premium content

  Symptoms from head trauma in Iraq linked to post-traumatic stress disorder.

  30 January 2008

• Europe spells out action plan for emissions targets - Premium content

  Heavy industry set to pay for allowances under carbon-trading scheme.

  30 January 2008