Brain chip start-up Neuralink implanted a device in its first live human subject Sunday, Elon Musk, the company’s founder, said on social media. The patient “is recovering well,” Musk wrote ...

Known as the central lateral nucleus, it is a thin sheet of neurons about the size and shape of an almond shell. The human brain has two such structures, one in each hemisphere.

And scientists at Oxford University recently discovered an area of the brain that contributes to make humans, well, human. The walnut-sized area, nestled within the frontal cortex, is called the ...