21-Second Rule Governs Mammal Micturition

25/06/2014 2 min
21-Second Rule Governs Mammal Micturition

Listen "21-Second Rule Governs Mammal Micturition"

Episode Synopsis

All mammals that weigh more than about six-and-a-half pounds take about the same time to urinate, thanks to the structure of the urethra. Karen Hopkin reports 

 
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