How cosmic rays may have shaped life
Wednesday, May 20, 2020 - 16:32
in Astronomy & Space
Before there were animals, bacteria or even DNA on Earth, self-replicating molecules were slowly evolving their way from simple matter to life beneath a constant shower of energetic particles from space. Magnetically polarized radiation preferentially ionized one type of “handedness” leading to a slightly different mutation rate between the two mirror proto-lifeforms. Over time, right-handed […]