After Noel Pichardo called out his city's embrace of Flock surveillance cameras, he was subjected to five internal affairs investigations in less than two years.

In five stories, we look at some of the most fascinating aspects of human (and animal) intelligence. From new octopus research, to the scientists using human cells to power computers, to a promising new treatment for addiction, cognitive science is getting smarter.

One woman’s meth addiction was so bad, the only option left might have been brain surgery. Then a single session of noninvasive, focused ultrasound seemed to do what years of treatment could not.

People with schizophrenia face a perfect storm of dangers on a hotter planet.

Silicon Valley companies are already working on neurotechnology products that track your brain activity. The next privacy frontier might be the things you only think.

Beyond Elon Musk’s interpretation of The Odyssey, Silicon Valley leaders have often misunderstood classic books like Foundation and The Hitchhiker’s Guide to the Galaxy. It’s evident in their tech.

Mini human brains are being grown in labs all over the world. Soon, they could outthink neural networks.

Two-thirds of an octopus’s neurons are in its arms—each operating independently—including the one it uses to have sex.