April 2004

• Combat raises risk of rare disorder

  Chemical cause sought for damage to soldiers' nerves.

  30 April 2004

• Desert gerbils signal plague

  Rodent numbers could predict human disease.

  30 April 2004

• Uganda's HIV epidemic wanes

  Word of mouth leads to safer sex.

  30 April 2004

• Earliest fire sheds light on hominids

  Ancient hearths unveiled as nearly 800 millennia old.

  30 April 2004

• Brownfields get muck makeover

  Sewage and rubble offer way to reuse land.

  29 April 2004

• Double vision

  Hollywood grapples with human cloning.

  29 April 2004

• Could nanomachines be tomorrow's doctors?

  DNA computer diagnoses disease and dispenses drug.

  29 April 2004

• Return of the snakehead

  Fishy predator gets its teeth into ancient climate history.

  29 April 2004

• Business goes quantum

  Money changes hands in key bank transaction.

  29 April 2004

• Mineral brew grows 'cells'

  A mixture of simple chemicals produces fungus-like structure.

  28 April 2004