Some of the earliest tools just kind of involved physicallyre ing people's brains after they're dead. And honestly, like alwes instante brain just pretty much looks like a brain. So tool number one here is just a knife, i guess, just like cutting up the brain and looking at it.
Will scientists ever fully understand the human brain? In their quest for knowledge, they’ve tried knives, magnets, computers, blood, and even a good metaphor.
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