![\"\"](\"https:\/\/3.bp.blogspot.com\/_niPwTW3rBbU\/SAZXA9QPglI\/AAAAAAAAA3A\/zd4MLQH3NyI\/s1600-h\/holdinghands.jpg\")
<\/a>Old Zen hand Michael Sierchio writing on one of the lists I subscribe to observed how \u201caccording to the best mitochondrial DNA evidence, we and chimpanzees had a common ancestor three million years ago.\u201d<\/p>\n
He then proposed a thought experiment to help us picture what that means.<\/p>\n
Picture \u201cyour mother holding her mother\u2019s hand, holding her mother\u2019s hand, etc., etc., in a line\u2026\u201d Then imagine standing next to your mother a chimpanzee, holding her mother\u2019s hand, and so on\u2026<\/p>\n
In something less than a hundred and fifty miles, there will be a single line\u2026<\/p>\n
I don\u2019t understand why some people find this difficult.<\/p>\n
Sounds lovely to me\u2026<\/p>\n
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