[Pocketdoor]

The research draws upon DNA extracted from fossil remains of now-extinct Neanderthals and Denisovans dating back to around 40,000 or 50,000 years ago...

So DNA can last 40,000-50,000 years? Ya Right.

[blam]

World's Oldest Human DNA Found In 800,000-Year-Old Tooth Of A Cannibal