• High ambitions

  A world-renowned Irish expert in volcanic activity can now bring some of his work closer to home, writes Rebecca Knowles. p
  

• Light at the end of the tunnel for star-watchers

  More efficient public lighting could save energy, cut carbon emissions - and help astronomers, writes Dick Ahlstrom. p
  

• Year of astronomy opens up new vista

  Things will be looking up for astronomers next year given 2009's designation as the United Nations International Year of Astronomy. p
  

• Why we can turn down the tap of fluoride in our drinking water

  Under the Microscope:   The public water supply has been fluoridated at a low level by the authorities since 1964. Many studies have shown that this is a very effective preventive measure against tooth decay and little or no evidence of side-effects has been reported beyond a low incidence of tooth discolouration. p
  

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