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Feeling yuck? Have you ever wondered about the purpose of all that gunk you're coughing up?
At least one of our listeners has … and she wants to know whether there’s any benefit to spitting or swallowing…
In this live episode from the World Science Festival Brisbane, Norman and Tegan take us through the answer.
By ABC Australia4.7
176176 ratings
Feeling yuck? Have you ever wondered about the purpose of all that gunk you're coughing up?
At least one of our listeners has … and she wants to know whether there’s any benefit to spitting or swallowing…
In this live episode from the World Science Festival Brisbane, Norman and Tegan take us through the answer.

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