More than 99% of all species that have lived on Earth are now extinct — something humans have certainly had a hand in. There’s now an entire scientific discipline devoted to bringing some of these species back. If you’re picturing those cloning scenes from “Jurassic Park” right now, we get it. But “de-extinction” is not quite that. Beth Shapiro is the chief science officer at Colossal Biosciences, a bioengineering startup working on de-extinction. She explained to Marketplace’s Lily Jamali how the process works.