The 23rd Winter Olympics are underway in Pyeongchang, South Korea. We

look at how fake snow is made and the effects of climate change on

snow sports with professor Marius Mayer of the Ernst Moritz

Arndt-University in

Greifswald, he tells us more. In Unscience, mining other planets for

diamonds could be a thing of the future. Lastly, Professor Robert

Millar from the University of Pretoria explains his work in reproductive

neuroendocrinology and how it's been successfully used in treating

life-threatening diseases. wits.journalism.co.za