
Jeff Barrick
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Jun 17, 2026
Matters Microbial #132: What 83,000 Generations of Bacteria Reveal About Evolution
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37:22speaker_2UNKNOWN
Oh.

Jeff BarrickGUEST
So it was something about this environment that really meant that bigger cells were beneficial, and people have studied that a lot, and it's not entirely actually understood it or intuitive why this might be the case.

Jeff BarrickGUEST
It changes the surface area to the kind of volume ratio, some of these things.

Jeff BarrickGUEST
Because it's not actually about how fast you grow, it's about how much you, you use the glucose before anybody else can use the glucose, is the real competition that's going on.

Jeff BarrickGUEST
So even forming fewer cells but using more of the glucose has kind of been beneficial over time.

Jeff BarrickGUEST
But the other thing they could measure was this fitness over time quantitatively.
9 MINS LATER