Australia has the highest melanoma rates in the world — but there's some good news for Aussie kids. The presence of moles is a strong predictor of melanoma and researchers in Queensland have found that the number of moles found on children's bodies has halved in recent decades. You can binge more episodes of the Lab Notes podcast with science editor and presenter Jonathan Webb on the ABC Listen app (Australia). You'll find episodes on animal behaviour, human health, space exploration and so much more. Get in touch with us: labnotes@abc.net.au Featuring:   Nick Martin, human geneticist at the QIMR Berghofer Medical Research Institute Extra information: Halving of Australian children's naevus counts during 1992-2016 and change in sun behaviour Hopes for lower melanoma risk as study finds number of moles on children's bodies halved in 25 years This episode of Lab Notes was produced on the lands of the Gadigal and Menang Noongar people.