Assuming it's not just CGI made to fool us all. After some of the movies I've seen in the last 10 years I may never again trust something I didn't see in-person. I'll take their word for it, though. I don't want to go to Mars and wait around for another one to show up.
Ed, The Airgun Tune-Meister
"We can rebuild the squirrel. Make him stronger, faster...We have the technology"---Skyler M.