Most recent stories

• Monkeys move robotic arm using brain power - Premium content

  'Brain–machine interface' might one day help people with disabilities.

  28 May 2008

• International seed aid "in need of rethink" - Premium content

  Experts claim that mass handouts of seeds are not helping poor farmers.

  14 May 2008

• Open-air demo supports UK embryo research - Premium content

  Rally aims to secure political backing for new embryology law.

  12 May 2008

• Bacteria 'can learn' - Premium content

  Colonies evolve to anticipate changes in their surroundings.

  08 May 2008

• Fat cell numbers stay constant through adult life - Premium content

  Even serious weight loss doesn't reduce your overall number of fat-holding cells.

  05 May 2008

• 'Ocean deserts' are growing - Premium content

  Low-oxygen regions have expanded over the past half-century.

  01 May 2008

• Found: the missing circuit element - Premium content

  Described in 1971, made in 2008: 'memristors' promise a computer revolution.

  30 April 2008

• Hit the host to target HIV - Premium content

  Novel tactic for stopping virus replication may lead to new antiretrovirals.

  28 April 2008

• Beating heart tissue grown in lab - Premium content

  Test-tube recipe produces three types of cardiac cell.

  23 April 2008

• An appetite for sex - Premium content

  Calorie intake before conception may mean the difference between boys and girls.

  22 April 2008

• Biodiversity: Frozen futures - Premium content

  The 'Doomsday vault' buried in the Arctic ice will provide a backup for the world's seeds. But more needs to be done to safeguard food diversity, says Michael Hopkin.

  26 March 2008

• Malaria: The big push - Premium content

  Zambia, with help from partners around the world, is stepping up its battle against malaria. Michael Hopkin reports from the rural front line.

  27 February 2008