The calcium in our bones and teeth likely came from stars exploding in supernovas and scattering this mineral across the universe in massive quantities, according to a new study.
원문출처 : https://www.cnn.com/2020/08/05/health/calcium-supernova-discovery-trnd-scn/index.html
원문출처 : https://www.cnn.com/2020/08/05/health/calcium-supernova-discovery-trnd-scn/index.html