Simon Stewart
Mystery over lakes turning green around the world
7 Jul 2021
Why are otherwise healthy lakes all over the world turning bright green? The Cawthron Institute's Dr Simon Stewart joins us to explain what could be behind this mystery. Audio
Laughter may not always be the best medicine
5 Dec 2014
Research by two leading Australian heart specialists, published in the International Journal of Cadiology, has found that the funnier a comedian is, the more likely he is to die. Audio
