Our Changing World for Thursday 30 April 2015

9:55 PM.Space scientist Duncan Steel explains what will happen to the out-of-control Russian space capsule that failed to reach the International Space Station. Read more Audio

9:46 PM.Underwater sounds as varied as sea urchins and boats, fish and whales, as well as dolphins and waves are helping build an underwater sound map of the Hauraki Gulf Read more Audio

9:40 PM.Jiffin Khosa is continuing with the research on bulbing in onions to look at the difference between the short and long day varieties Read more Audio

9:34 PM.University of Otago scientists have discovered the genes for bulbing in onions which may result in more reliability and bulbs better tailored to climate Read more Audio

9:20 PM.Researchers hope that electrical brain stimulation, like that used to treat Parkinson's disease, may help people who've had a stroke regain their movements Read more Audio

9:06 PM.An AgResearch team identifies five compounds that reduce methane emissions from livestock by up to 90 per cent in initial trials. Read more Audio