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In fact, Mock and Hendlin’s garbology study, published earlier this month in a weekly report from the Centers for Disease Control and Prevention, is the first to systematically catalog e-cigarette trash.

The district also has revamped its science program, moving a “garbology” unit to kindergarten.

Weberman, who “drove us crazy” by sifting through Mr. Dylan’s garbage and analyzing it, a science he called “garbology.”

There was A. J. Weberman, who practiced garbology — searching through the trash for information about people like Bob Dylan and John N. Mitchell, the Nixon attorney general.