81: Always Making Progress Forever
Dear Hank & John
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Is There a Life on Earth Without Plants?
Hank: What if cows only exist because bacteria from mars came to earth and then eventually colonized the guts of cows? Cows are hugely dependent upon their gut microbes, whereas we are only very dependent on our gut microbes. And humans would probably survive though in an extremely damaged way. Hank: Is there a chance that there were ancient cows on well, interestingly, john, the cows don't produce the methan. The bacteria in their guts do fadnes. It would have been bacteria in the cow guts.
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