May 2007

• Space telescope spies dark matter

  Triangulation technique spots object at the edge of our Galaxy.

  31 May 2007

• Upright orangutans point way to walking

  Tree-dwellers can benefit from standing on two legs.

  31 May 2007

• Warmer world gets wetter

  Satellite observations suggest climate models are wrong on rainfall.

  31 May 2007

• Deadly TB strain flies around the world

  Government warning highlights global problem.

  30 May 2007

• Static holes defy theory

  Giant black holes create mystery by not flying out of galaxies.

  30 May 2007

• Protein senses cold

  Single receptor responds to cold and menthol.

  30 May 2007

• United Nations' AIDS programme under fire

  Authors accuse agency of putting politics before health.

  30 May 2007

• Red dwarfs could harbour life

  Planets around commonest stars in our Galaxy might be warm and safe.

  29 May 2007

• Silicon crystal cooked to perfection

  Pure lump of silicon-28 could help to redefine the kilogram.

  29 May 2007

• Geneticists identify four new breast-cancer genes

  Discovery adds to understanding of individuals' susceptibility.

  27 May 2007