Elon Musk says the first human has received a brain implant from his Neuralink company. NPR's Leila Fadel talks to Rafael Yuste of Columbia University and co-founder of the Neurorights Foundation.

This week, Elon Musk announced that his company, Neuralink, implanted a chip into a human brain for the first time ever. The chip is supposed to give people the ability to control devices using brain ...