World's Fair

Environment vs Economy vs Space Aliens


Here’s a slide I recently made in a lecture on the scientific method, to illustrate how easy it is to produce very different hypotheses for a particular observation.

Basically, the backdrop was to consider a scenario where environmentalists had noticed a significant drop in stork population, and also where the government recording its national birthrate dropping significantly (this apparently happened in China in the 80s, although the use of these two observations works nicely because there’s also a well known folktale link between storks and babies). Building from a visual that Hadi Dowlatabadi presented, I added a space alien element.

Anyway, apart the obvious “no storks to deliver the babies” angle, I’m curious can you think of any other strange ones that would work well to garner a chuckle in class.


  1. #1 markus
    January 13, 2009

    that is six kinds of awesome.

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    May 25, 2013

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    March 12, 2014

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