XPost: alt.home.repair, sci.electronics.design, uk.d-i-y   
   From: tsruhf@gmail.com   
      
   On Wed, 23 Nov 2022 04:55:34 +1100, Ed Pawlowski  wrote:   
      
   > On 11/22/2022 12:04 PM, Chris Green wrote:   
   >> Commander Kinsey  wrote:   
   >>>   
   >>>> Birds manage with internal testes.   
   >>>   
   >>> I was always told our testes needed to be 36C, not 37C like inside us.   
   >>> Yet a bird is 40C body temperature.   
   >>  Yes, but why do they need to be a bit cooler than our body   
   >> temperature? Wouldn't it make much more sense in evolutionary terms   
   >> for them to work properly at body temperature?   
   >>   
   >   
   > It is in the works but evolution is slow.  Probably will take another   
   > 30,000 years to eliminate the scrotum.   
      
   The problem with that line is that the higher mammals like   
   humans and even cattle and sheep evolved after birds.   
      
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