Astrophysicist Timothy Beers only needs 100 stars out of the 100 billion in the universe to help prove one of the longest-held theories in the field. However, finding those stars—the brightest, low-metallicity stars in the Milky Way— is like looking for a needle in a haystack.
Read more: Heavy Metals feature story
Originally published by at science.nd.edu on July 18, 2018.