We took a 13,000-year-old to a 73,000-year-old skull and made puppies. It's pretty magical." But some critics say it's not that simple. But the dire wolf is an actual real-world predator ...

“Our team took DNA from a 13,000-year-old tooth and a 72,000-year-old skull and made healthy dire wolf puppies," Lamm said. "It was once said, ‘any sufficiently advanced technology is ...