Japanese and Russian scientists have awakened cells from a woolly mammoth that roamed Earth 28,000 years ago. The team inserted muscle cell nuclei from a well-preserved mammoth carcass into mouse ova, where they watched “signs of biological activity” taking place—a milestone they said would provide a platform to better understand extinct animal species.
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This is more evidence for a recent existence of these creature and a younger creation of the world.
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Estimates based on the accumulation of radiation-induced DNA damage during cryonic storage have suggested a maximum storage period of 1000 years. Source
This freezing of cells to preserve them is through cryogenics. These Mammoth cells are frozen the old fashioned way with all the damage to the cells that entails. You would think "fresher" the frozen sample the easier to thaw with the above-mentioned result?