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What?
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.
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This is a science community. We use the Dawkins definition of meme.
I think the joke is kind of like the talking muffin joke. One bird sees a leaf changing color and apparently has a pattern recognizing brain enough to identify that summer is ending and remembering from last year that that means they'll have to fly south.
The other bird is a bird and it's a miracle he recognized that the leaf changed color from day to day. He probably doesn't even remember what migration is, it's all instinct.