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card_zero
6 days ago
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Cows can use sophisticated tools
I like to claim that dinosaurs used tools, because some of them swallowed gastroliths. No reason a tool can't be internal.
Oh wait, the article says external is in the "scientific definition". Fine.
b00ty4breakfast
6 days ago
[–]
I swallowed a rock when I was a kid (ok, maybe calling it a "rock" is being a bit dramatic, more like a pebble), does that make me a tool?
....wait, no
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Oh wait, the article says external is in the "scientific definition". Fine.