"12 Animals We Wish We Could De-Extinct."

"The science is complicated... and so are the ethics involved. But who can resist dreaming up a de-extinction 'wish list'? With more species nearing the extinction danger zone every day​, there's no shortage of candidates, but some are more scientifically suited for resurrection than others. And even if we could bring a species back, should we? We looked to scientists to explain who they'd like to bring back, and which are best left in the past."