Artificial Intelligence

A professor in China builds a brain-machine interface that keeps humans fully in charge.

Forget what you may have heard about neural networks in software. This startup is making a computer with living neurons.

Machines programmed to explore could lead to smarter AI — and show us how to unlock capacities lying dormant in our own brains.

Bryan Johnson is convinced that human intelligence needs an upgrade. So he’s putting up $100 million to make it happen.