They're technically not 'worms' as we know it, but rather, planarians. The hammerheads were most likely introduced to the U.S. in 1891 and thought to have come from southeast Asia. The first reports ...

Fly fishing came into vogue in the early 20th century, and with it came criticism of worm fishing: It was too easy. The debate was considered to be of such importance that, in 1904, Atlantic Monthly ...