However, scientists are testing the theory that the volcanic eruption has increased iron in the water and will prolong the spring blooms into summer.

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Although Heyerdahl did take some modern equipment -- such as radios, charts and a sextant -- he argued these were all incidental to testing the theory that the craft itself could make the 4, 300 mile journey across some of the most challenging seas on Earth.

CNN: The Kon-Tiki: Crossing an ocean on balsa

More specifically, rather than provide a long manifesto of the theory behind lean startup, Udacity breaks down the process of launching a business into practical steps for systematically testing hypotheses and developing a business plan that will actually work.

FORBES: The Formula For Entrepreneurial Success Defined