Please watch the documentary Guns Germs and Steel, Episode 1 – Out of Eden.  Here’s one link:https://www.youtube.com/watch?v=i885hopsw6E (Links to an external site.)
Or you can find it easily with with a quick YouTube search.
You then need to create a new thread in which you briefly answer the following questions:
1 – What is Jared Diamond’s thesis?
2 – How did he come up with this idea?
3 – How does he propose to test his thesis?
4 – What are some implications about the past and the present if his ideas are correct?