M Govindaraja Bhaskar
A veterinary professional, science writer, and nature enthusiast from Andhra Pradesh, India. His writing explores science, astronomy, biodiversity, and humanity's relationship with the natural world.
Elements in human body trace back to stars
Water, oxygen, carbon and the iron in blood all have cosmic roots. Hydrogen dates to the Big Bang about 13.8bn years ago; the heavier elements in the human body were forged in stars and scattered by supernovae, long before the Earth formed and life began.
