Certain drugs can produce an out-of-body experience, so can a pulse of electricity if it's sent to the right place in the brain. NPR's Jon Hamilton reports on a brain area that seems to keep us ...

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal kingdom—function permanently without it. This may be relevant in future ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...