After celebrating his birthday, physicist and author Neil deGrasse Tyson turned to Twitter to express his problems with the hit movie, Gravity.

The physicist and author once answered a question that matters to all Galleycat readers: “Which books should be read by every single intelligent person on the planet?” He created a concise list of classic books. Follow the links below to download free ePub, Kindle or text versions of the books.

In the video embedded above,  Tyson answered another cosmic question–does the universe have a purpose? Do you agree with his answer?

 

Read more