This is part of the "Expansion Pack" of videos for the 'How It All Ends' video series on YouTube.

Ideally, you should have watched the following previous videos:

1. How It All Ends - Trailer, and/or Main

Expansion Pack:

1. Index - Video
2. Menu - Video
3. Nature of Science - 3 parts
4. Risk Management - 7 parts
5. Why There Is Still Debate - 2 parts

There are 2 parts in this section - click the tabs above to watch the videos.