When stars exploded within range of Earth 2.6 million years ago, it may have set certain things in motion that would cause human ancestors, called hominins, to go from swinging through the trees to walking upright, according to a new study.
원문출처 : https://www.cnn.com/2019/05/29/world/supernova-human-ancestors-walk-upright-scn-trnd/index.html
원문출처 : https://www.cnn.com/2019/05/29/world/supernova-human-ancestors-walk-upright-scn-trnd/index.html