The human brain actively keeps "learning" in balance by holding on to what matters and letting go of what does not. Researchers in Korea have now reproduced this ability in a semiconductor device, ...

Forbes contributors publish independent expert analyses and insights. I write about the big picture of artificial intelligence. The brain is unimaginably complex. Google and Harvard recently announced ...

Researchers in Japan built a miniature human brain circuit using fused stem-cell–derived organoids, allowing them to watch the thalamus and cortex interact in real time. They found that the thalamus ...