Sci-Fi and Bringing Back the Mammoth with Neil deGrasse Tyson

For some of us, science fiction books and movies were the first ways we experienced anything science related. They've also inspired many modern inventions, from helicopters to the World Wide Web.  

As part of an ongoing series, astrophysicist Neil deGrasse Tyson tours various cities and gives a lecture called "An Astrophysicist Goes to the Movies, the Sequel" about the science behind science fiction movies.

While these stories inspire scientists and modern inventions, many focus more on the "fiction" part of science. Here's what Tyson has to say about differentiating between fact and fiction.