Reviving the Dodo. The Dodo, the bird that became a symbol of extinction more than 400 years ago, could be one step closer to returning to life, the Texas-based biotechnology company Colossal Biosciences

De-extinction, or using the power of modern biotechnology to bring back extinct species like mammoths and dinosaurs, would be cool. But is it really as easy as the movies make it look? Or do the cruel