This'll probably be moved to Humor, but my first instinct was World Events (this IS current).
http://www.improbable.com/ig/ig-pastwinners.html
Winners of the Ig® Nobel Prize
The winners have all done things that first make people LAUGH, then make them THINK.
Some examples...
PHYSICS
Arnd Leike of the University of Munich, for demonstrating that beer froth obeys the mathematical Law of Exponential Decay. [REFERENCE: "Demonstration of the Exponential Decay Law Using Beer Froth," Arnd Leike, European Journal of Physics, vol. 23, January 2002, pp. 21-26.]
INTERDISCIPLINARY RESEARCH
Karl Kruszelnicki of The University of Sydney, for performing a comprehensive survey of human belly button lint -- who gets it, when, what color, and how much.
MEDICINE
Chris McManus of University College London, for his excruciatingly balanced report, "Scrotal Asymmetry in Man and in Ancient Sculpture." [PUBLISHED IN: Nature, vol. 259, February 5, 1976, p. 426.]
MEDICINE
Peter Barss of McGill University, for his impactful medical report "Injuries Due to Falling Coconuts." [PUBLISHED IN: The Journal of Trauma, vol. 21, no. 11, 1984, pp. 990-1.]
BIOLOGY
Buck Weimer of Pueblo, Colorado for inventing Under-Ease, airtight underwear with a replaceable charcoal filter that removes bad-smelling gases before they escape.
PEACE
Viliumas Malinauskus of Grutas, Lithuania, for creating the amusement park known as "Stalin World"