We are made of stars
Our guest today has been researching one of big questions: what are we made of? There seems to be a progression from older, simpler forms of life up to more complex forms such as ourselves. As we move 'up' the tree of life, we use more and more of the available types of matter. Older life forms use fewer elements than newer forms. You could say, they accessorise themselves with a greater number of elements. Aditya Chopra, is a PhD student at the Planetary Science Institute at the ANU, and a stud...
