Traces of the First Stars in the Universe Possibly Found

"The reason why we care [about the first stars] is intricately related
 with the air we're breathing right now," study co-author John O'Meara,

 of Saint Michael's College in Vermont, said last week at a press  conference at the 227th Meeting of the American Astronomical  Society in Kissimmee, Florida.
 "Early on in the universe, we did not have
 heavy elements [such as oxygen] at all."                  
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