Chatbots can talk with you. But what if they could talk to one another?

The brain does not only communicate through fast electrical impulses; it also relies on slower, more diffuse chemical signals that modulate our emotional and social states over time. A study led by ...

It already exists in the natural world. Now, thanks to breakthroughs in genetic engineering, scientists have created “supersilk.” And it’s poised to upgrade far more than our clothing.