• A wave of warning signals

  Freak waves aren't such rare events after all, a conference in Galway heard. Lorna Siggins, Marine Correspondent, reports on the phenomenon p
  

• Once-in-a-lifetime chance to track the path of Venus

  A rare astronomical event, which will be viewable from Ireland, will take place early next month, but experts urge caution when watching it, writes Dick Ahlstrom p
  

• Code cracker triumphs in battle of wits

  A computer scientist at DCU is working out how to make smart cards safer - with an unexpected spin-off, reports Dick Ahlstrom p
  

• Pyramid building created the state

  Under the Microscope/Prof William Reville: A colleague once remarked that of all the natural wonder of the world he had seen, the only one to exceed his expectations were the pyramids of Egypt - the largest monuments ever built. p
  

Most popular stories