Why do we cough?

17 May 2019
Presented by Chris Smith with Lester Kiewit, 567 CapeTalk.


Clip art of a woman coughing


Chris Smith answers the questions you've been sending in... Could we use charged liquid for electric cars? Why do beds feel cold and not room temperature? What causes climate change? How efficient are batteries? Why do we cough? Why do chillies give me hiccups? Plus, sea explorers find plastic in the most remote part of the ocean. 


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