The Past: What We Know, What We Don'’t
I was writing about cancer and medical knowledge we've accumulated over the last few millennia, when I realized that I'd gotten more off-topic than usual.
For me, that's saying something.
When I catch myself rambling I've got options. Sometimes I delete and start over from where I was making sense; or copy and paste the ramble into a text file for later use, delete and start over.
Sometimes I delete, get up, make myself a cup of coffee, and try desperately to remember what, if anything, I had in mind....
...Like the title says, it's about what we know and what we don't about the past: and why we're not all that certain about so much....
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