Insect evolution in underground railway systems - An interesting, if overtly snarky look at the arising of new insect species in underground railway systems.
An analysis on patterns found in Choose your own adventure novels - A look into the patterns of the paths found in choose your own adventure style novels. The author makes good use of graphics to show the different structures of the books examined, and pretty graphics always wins points in my book. Personally I'd be interested to see the methods applied to the Fighting Fantasy series; the CyoA series tended to branch out into many potential areas, but the FF series tended to loop back onto set paths.
Watch repair in micro gravity. - Apparently if you're going up into space the one thing you don't want to run out of is tape.