“I don’t want to break hearts on this but I do not believe it’s possible to bring back a dinosaur,” says Ben Lamm, CEO and co-founder of Colossal. But his de-extinction company’s goals are no less fantastical: it promises a woolly mammoth calf born from genetically modified elephant cells by 2028 – or perhaps even sooner. “I think we’re closer to de-extinction than the general public thinks,” says the tech entrepreneur, referring to the process of resurrecting species that have died out. It’s not all Jurassic Park non-fiction, though. Colossal’s vast brainpower and over $235 million in funding…