Fossil evidence provides clues into cold cases that are millions of years old.
via Discovery News http://news.discovery.com/earth/rocks-fossils/ancient-killers-caught-in-the-act-130918.htm#mkcpgn=rssnws1
via Discovery News http://news.discovery.com/earth/rocks-fossils/ancient-killers-caught-in-the-act-130918.htm#mkcpgn=rssnws1
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