While Jurassic Park is very, very, very likely impossible (there isn't any good dinosaur DNA anywhere), the attempts to recreate mammoths and other Ice Age (Pleistocene) megafauna might have a chance to succeed. So if you want to take your grandkids to see a big woolly elephant, it could happen.
Freeze-dried woolly mammoths share their genetic secrets with scientists
"Eriona Hysolli, head of biological sciences at Colossal Biosciences — a company working to reintroduce a version of the woolly mammoth to the Arctic — said the 3D chromosome structures the authors found “could reveal features of the genome that might be relevant to mammoth de-extinction.”
The authors said they hope their work will inspire similar studies on other dehydrated tissues, including those hot-air dried by nature or intentionally mummified."
Something else of interest relevant to this:
Just Add Mammoth.
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