Peering into the human brain has never been easy. For decades, neuroscientists have relied on heavy, expensive machines to measure blood flow and oxygen levels that reveal how the brain works. These ...

Add Yahoo as a preferred source to see more of our stories on Google. A picture of the microscope system. (CREDIT: Tatsuya Osaki) For decades, scientists have worked to peer deeper into the brain.

Scientists have built a soft, wireless Implant that lets the brain interpret patterned light as if it were a new kind of touch, turning beams into information the cortex can actually use. Instead of ...