Our Changing World for Thursday 6 October 2016

9:06 PM.Psychologist Deirdre Brown has been researching whether children are reliable eyewitnesses. Read more Audio

9:05 PM.A new genetic study shows that a once abundant kākāpō population declined in numbers and genetic diversity soon after stoats were introduced in the late 1800s. Read more Audio

9:04 PM.Statistician Thomas Lumley explains different ways of calculating an average, and the difference between median and mean. Read more Audio