deletions | additions       diff --git a/layout.md b/layout.md  index 46e602c..53c503a 100644  --- a/layout.md  +++ b/layout.md 
...
Let_s_recap_we_are__.tex  figures/dna_astro2/dna_astro2.png  Let_s_recap_we_are__.tex  Astrobiology.tex  fc.tex  Derive L.tex