deletions | additions       diff --git a/layout.md b/layout.md  index 3fcbf89..44a3131 100644  --- a/layout.md  +++ b/layout.md 
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Equation.tex  figures/Drake3/Drake_Annotated.jpg  It_is_a_product_of__.tex  Updating Drake Eq.tex  Astrobiology.tex  fc.tex