Why do men have nipples?

22 March 2019
Presented by Chris Smith with Eusebius McKaiser, Talk Radio 702. 


Statue holding head in his hands


Why is the sun's halo hotter than its surface? Why do ice cubes crack when you add water? Why do men have nipples? How do noise-cancelling headphones work? Can you implant genes to become immune to HIV? Can batteries prevent power cuts in South Africa? Plus we say Hello Tomorrow! Chris explains the latest and greatest technology showcased at a recent conference in Paris.


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