"We propose that the biological handedness we witness now on Earth is due to evolution amidst magnetically polarised radiation, where a tiny difference in the mutation rate may have promoted the evolution of DNA-based life, rather than its mirror image," explained high-energy astrophysicist Noémie Globus, who was a visiting scholar at Stanford University's Kavli Institute for Particle Astrophysics and Cosmology at the time of the research.