Where do road corrugations come from?

How do roads get bumpy, and do elevated cisterns produced a better toilet flush?
20 December 2019
Presented by Chris Smith with Melanie Rice, 567 CapeTalk. 
Production by Chris Smith.


A dirt road


How might a sore throat be linked to a hear problem? Are elevated toilet cisterns better at flushing the toilet? What's your take on aliens and the paranormal? What are diabetes and coeliac disease? Why does my husband yawn so much? And where do road corrugations come from? Join Dr Chris and CapeTalk 567's Melanie Rice to find out! 


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