A NASA scientist recently said that California only has one year of water left. What happens if California runs out of water, and how does it affect the world?
The greatest discovery in the history of science was rational scientific methodology itself, the second greatest was the discovery of evolution. The third greatest discovery in the history of science will eventually be widely recognized as; evolution is progressive. It has an overall directionality in spite of its many meanderings, retrogressions, dead ends and extinctions.