17 animals scientists want to bring back from extinction

17 animals scientists want to bring back from extinction: "It's called "de-extinction," the act of bringing an extinct animal back to life by reassembling its genome and injecting it into embryonic cells. After that, it's the simple matter of finding a surrogate. Last week, scientists met to discuss which animals should be up for consideration. We've highlighted 17 of their 24 final choices."