Most high-end yo-yos are built of aluminum, and the one by undergrad Darren Tan and Ph.D. student Roby Lynn is no exception. Theirs was precision-machined using a computer-controlled lathe for a ...

COLUMBUS, Ind. -- Rolling into its 75th year, the Duncan yo-yo continues its up and down ride to success.

June 6 marks National Yo-Yo Day, a celebration of one of the world's oldest and most enduring toys. The date honors the birthday of Donald F. Duncan Sr., the entrepreneur who helped turn the yo-yo ...

GRAND BLANC, MI – Lunchtime at Grand Blanc High School has its own resident street performer. Xaviar McDonald, a Michigan State Yo-Yo competition champion, uses the time to practice his routine ...