By Jo Nova
The survival of some DNA for two million years is astounding all of itself — breaking the record for oldest known DNA by nearly a million years. Before this, the oldest DNA was thought to be 1.2 million years — beyond which all the global DNA of all the species that ever lived was assumed to be dissolved into unreadable mush.
But now we have found enough of the ancient code to identify a whole ecosystem on the northern edge of Greenland that no one expected to find. Apparently giant elephant-like Mastodons were wandering the far northern parts of Greenland — practically as close as they could get to the North pole without swimming.
At the time, the world was not just 1.5 catastrophic degrees warmer than today, but a full nuclear 10 to 17 degrees hotter.
Strangely life on Earth wasn’t suffering the sixth mass extinction.
Discovery of world’s oldest DNA breaks record by one million years
ScienceDaily
The incomplete samples, a few millionths of a millimetre long, were taken from the København Formation, […]
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