Using the readings from Guns, Germs, and Steel, the Hill article, the Eller article, and the O'Brien article as background, addresses the following:

• Identify two current scientific challenges or issues which, if resolved, might change our perception of the nature of the world around us or our perception of the nature of the universe.
• Explain how each would change those perceptions.
• Analyze the obstacles to resolving each challenge or issue.
• Where possible, include examples and references to outside resources