At least add a link... http://www.nature.com/news/dna-has-a-521-year-half-life-1.11555 http://www.nature.com/news/dna-has-a-521-year-half-life-1.11... From th

At least add a link... http://www.nature.com/news/dna-has-a-521-year-half-life-1.11555 http://www.nature.com/news/dna-has-a-521-year-half-life-1.11... From this article, it would appear that DNA would probably be unreadable at around the 1.5M year mark, well short of the 110M years that would be required to recover DNA from this dinosaur.