The 2002 article mentions that the radioisotope was found in the crust. The new article mentions that the radioisotope was found in a biologically-produced magn

The 2002 article mentions that the radioisotope was found in the crust. The new article mentions that the radioisotope was found in a biologically-produced magnetite crystal. I think that the general thesis is that -- yes, we are made of star stuff (that the supernova material deposited on Earth has seen verified biological uptake).