Science

Unspinning the Boomerang - Science article describing the physics of the boomerang.
http://pass.maths.org.uk/issue7/features/boomerangs/

Sports: The Boomerang Page - An article describing why a boomerang returns, based on the aerodynamics, the shape and the throwing technique.
http://wings.avkids.com/Book/Sports/instructor/boomerang-01.html

Minnesota Technolog: Boomeranging - An article on the sport and about Billy Brazelton, a junior in the College of Biological Sciences, who plays it.
http://technolog.it.umn.edu/technolog/fall00/boomeranging.html

Research Support Technologies: Aerodynamics of Boomerang - Provides articles summarizing the aerodynamics of boomerangs and explaining the principles to build construct your own.
http://www.researchsupporttechnologies.com/boomerang_site/boomerang1.htm

Boomerangs! - National Geographic's article with 2 videos of boomerang throwing.
http://www.nationalgeographic.com/world/0008/boomerang/index.html

Lesson with a Boomerang - This lesson plan uses the boomerang to demonstrate basic mathematical principles.
http://www.iit.edu/~smile/ma96m5.html