Why don't birds get cold feet?

Also, ventilators and Covid-19, have you seen your brain, and is sunlight stronger in summer?
12 June 2020
Presented by Chris Smith with Kieno Kammies, 567 CapeTalk. 
Production by Chris Smith.


House sparrow


This week how birds keep warm in winter, how long to recover from ventilation for Covid-19, when do doctors need to ventilate a patient, seeing your own brain by MRI, why sunlight is warmer in summer, and can infrared light kill Covid? Join Dr Chris Smith and 567 CapeTalk's Kieno Kammies for the answers...


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