Truth, as the saying goes, is often stranger than fiction. The very notion of resurrecting the long-extinct woolly mammoth was the stuff of fantasy not that long ago, but scientists are already working on ways to achieve something close to that, using DNA from soft-tissue in frozen mammoth remains and meshing it with that of a modern-day elephant. But while such “de-extinction” projects may or may not ultimately succeed, one company is already laying claim to having produced the first meat product made from mammoth DNA. Vow, an Australian cultivated food company that creates meat in a laboratory setting from...