From eeebc364e84cf08515d2678f36d95b1d6c845f16 Mon Sep 17 00:00:00 2001 From: Hendrik Kleinwaechter Date: Thu, 30 Nov 2023 22:21:09 -0500 Subject: [PATCH] Fix duplicate entry in history Thanks @OzTK for the fixes. --- book/history/sourdough-history.tex | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/book/history/sourdough-history.tex b/book/history/sourdough-history.tex index e348bdb..55dfe3b 100644 --- a/book/history/sourdough-history.tex +++ b/book/history/sourdough-history.tex @@ -21,17 +21,6 @@ addition to our planet, so young that we made our first appearance on the evening of December~31. It seems that humans managed to arrive just in time to join the celebration at the end of the year. -The story of sourdough bread begins in ancient oceans. These oceans were the -birthplace of all Earth's life. To better envision the vast history of -our planet lets create a timeline of 1~year. On this scale, January~1 signifies Earth's -formation 4.54~billion years ago. Midnight on December~31 is our present. -Each day represents roughly 12~million years. This technique simplifies the -complexity of time but also renders the extraordinary expanse of our planet's -history into a more graspable frame. We humans are in fact a recent addition -to our planet, so young that we made appearance on the evening of December~31. -It seems that humans managed to arrive just in time to join -the celebration at year's end. - On March~25, the oceans birthed the first single-celled bacteria. In these waters, another single-celled life form, \emph{archaea}, also thrived. These organisms inhabit extreme environments, from boiling vents to icy waters. @@ -47,7 +36,7 @@ organisms inhabit extreme environments, from boiling vents to icy waters. \end{center} \end{figure} -Whoever comes first first, bacteria or archaea, remains debated. For three +Whoever comes first, bacteria or archaea, remains debated. For three months (or approximately 1.1~billion years), these life forms dominated the oceans. Then, on June~25 in an highly unlikely event, an archaeon consumed a bacterium. Instead of digesting it, they formed a symbiotic relationship. This led to the