Tool usage

One of the things that supposedly differentiate humans from other animals is our use of tools.

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Then I learnt that Chimpanzees used blades of grass/branches to fish termites. Recently it was discovered that they have upgraded on this tool.

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But then we are supposed to have weapons. Then it turned out that crabs also use weapons. Hermit crabs use mines. Boxing crabs use "knuckledusters"

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Animals that farm? Check.

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Today, I learn that birds use fire.