Disco clams may flash chemical-weapons warning

Puzzling streaky light show might tell predators not to bite

ICK, ICK  A clam flashing reflected light off its lips may be warning predators that attempts to bite will not end well.

Courtesy of L. Dougherty

WEST PALM BEACH, FLA. — A disco clam’s flashing light show might warn predators of — with no comment on the 1970s — bad taste.