TechnoMart in eastern Seoul.

It seems the Tae-bo fitness program, available on DVD from late-night TV commercials in the U.S. and popular in health clubs around the world, can actually make tall buildings shake. Two weeks ago, the upper floors of the 39-story TechnoMart, a shopping mall/office tower on Seoul’s east side, started shaking for about 10 minutes, leading to an evacuation, temporary closure and lots of theories about what happened. Today, some professors and engineers showed that Tae-bo is likely the cause. Read More »