Our Changing World for Thursday 29 January 2009

9:46 PM.A Malaghan Institute team hopes to stimulate the immune system to target cancer stem cells in melanoma tumours. Read more Audio

9:34 PM.Scientists find that ocean surface temperatures exceeded 30 degrees Celsius 55 million years ago. Read more Audio

9:20 PM.University of Otago biologists track the ocean journey of the giant seaweed and its passengers. Read more Audio

9:06 PM.Kakapo programme manager Deidre Vercoe and surrogate 'mum' Daryl Eason prepare for a promising breeding season for the parrots. Read more Audio