Saturday, May 12, 2012

Here's an Old Favorite

WHICH CAME FIRST THE CHICKEN OR THE EGG?


















In case you are still not sure what the 
mysterious external factor is at the 
end of my Lavoisier Society 
power-point presentation, 
it's the long-term lunar tides!!

[And I thought my last PP slide would be a dead giveaway!]

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