Why some animals become immortalized in stone as fossils | NYGazet

A study from UNIL explains why some animals transform into fossils when they die, but most simply return to dust.

Most of what we learn about ancient animals comes from hard parts – shells, bones, and sometimes soft tissues that have been transformed into fossils over eons. How does this happen? The key lies in the chemistry around a carcass. As microbes move in... [6179 chars]