Editor’s Note: This is one of Popular Mechanics’ greatest stories. It was initially published in December 2022. On December 9, 2013, 13-year-old Jahi McMath was checked in to Oakland Children’s ...

We have all wonder what happens right before we die. Whether the belief that we see our entire life flash in our brain is true or do we see the people we cherish the most. Even though death is an ...

When someone's heart stops beating, their brain cells start dying within minutes. But sometimes, they can still come back from the dead. When you purchase through links on our site, we may earn an ...

Diverse team of doctors consult on a TV screen showing MRI scan with brain images. [iStock Photos] A person declared brain-dead does not recover or wake up—they eventually die, according to medical ...

In the old days, a person was considered dead when the heart stopped. Then, in 1968, a group of Harvard professors decided that people could also be considered dead when the brain stopped. Now, three ...