Ranging from a threatening hiss to a blood-curdling scream, the sound of the Aztec death whistle is as creepy as the skull-like appearance of the instrument that produces it. Brain scans suggest the ...

It's been over two decades since researchers first demonstrated that a person could move a computer cursor with their thoughts. That's thanks to brain-computer interfaces (BCIs): surgically implanted ...

Brain-computer interfaces (BCIs) are surgically implanted devices that link the brain to a computer. They can be helpful for people who’ve lost... Brain implants are here, they help — and they’re a ...