• Looking into the heart of darkness

  Irish pine martens behave differently to others, according to nocturnal studies by a WIT team, writes Dick Ahlstrom p
  

• Chemicals playing havoc with fish hormones

  Boys will be girls - if they are trout in some of our rivers, where hormone-disrupting substances have been feminising fish, writes Dr Claire O'Connell p
  

• UCC team finds key moment in cancer migration

  Researchers at UCC are studying the complex protein signalling involved in cancer in the hope of finding ways to block the disease, writes Cormac Sheridan p
  

• Dinosaurs must wait for their big comeback

  Under the Microscope: Dinosaurs were named by Sir Richard Owen in 1842. The name derives from the Greek words deinos meaning "terrible" and saura meaning "lizard", writes Prof William Reville p
  

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