A bitter feud has erupted over who first resurrected the woolly mammoth — as a meatball. The de-extinct delicacy was unveiled last week at Nemo Science Museum in the Netherlands. Naturally, no mammoths were harmed in the making of the product. In lieu of dead flesh, an Australian startup called Vow produced the meatball from DNA. First, the team identified the DNA sequence for mammoth myoglobin, a protein that creates a meaty taste. To fill in some gaps in the sequence, they added genetic data from the African elephant — the pachyderm’s closest living relative. Using a low-current and high-voltage charge, they…

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