Venture capital firms poured US$953 million into neurotechnology start-ups last year. The field was born in the 19th century, when French physician Paul Broca discovered that a specific region of the ...

After years of battling depression, Eric, a middle-aged emergency worker, took a groundbreaking step—a brain implant.

The bizarre phenomenon is called an external occipital protuberance. First noted in 1885 by French scientist Paul Broca, the condition was so rare that it has gone almost entirely overlooked until ...