The carbon in our bodies probably left the galaxy and came back on cosmic 'conveyer belt'

Scientists recently discovered that the giant ‘conveyer belt’ currents that push star-forged material out of our galaxy and pull it back in can also transport carbon atoms. That means that a good deal of the carbon here on Earth, including the carbon in our bodies, likely left the galaxy at some point!
Read more: The carbon in our bodies probably left the galaxy and came back on cosmic 'conveyer belt'