Most of the atoms in your body left the Milky Way on a ‘cosmic conveyor belt’ long before you were born, new study reveals

Most of the atoms in your body likely spent millions of years circling the Milky Way on a cosmic “conveyor belt” before returning to our galaxy prior to the solar system‘s creation, a new study suggests.

Most elements in the universe, except for hydrogen and helium (and a few other weird exceptions), were forged by stars, either through nuclear fusion deep within their cores or during gigantic…