How fast does a decapitated head stop seeing?

We're told it's instantaneous, but is that true? Also, how does the bladder work, and why don't inverted bats get a blood head rush?
03 July 2020
Presented by Chris Smith with Kieno Kammies, 567 CapeTalk. 
Production by Chris Smith.


Guillotine cartoon


What causes phantom limb pain? How does the bladder control when it fills and empties? What the F are food E numbers? Where does medical oxygen come from and will we run out? How fast does the brain switch off after decapitation? Why don't bats suffer a rush of blood to the head when they sleep upside down? And what causes catatonia? Join Dr Chris Smith and 567 CapeTalk's Kieno Kammies for the answers...


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