( education / science / astronomy / biology ) Read the rest of the article at Stellar-explosions-created-calcium-teeth-bones-study-reveals.html
"Rare stellar explosions, called 'calcium-rich supernovae,' produced half of the universe's calcium and what is found in our teeth and bones, as it can create massive amounts in just..... read more
( education / research / astronomy ) Researchers have successfully identified 316 minor planets beyond Neptune, 139 of which are completely new, in a discovery which could bring us... read more