Palouse Worms Gain Attention

Joanna Blaszczak, left, a student at Cornell University, and Shan Xu, a graduate student from Chengdu, China, check the depth of a research hole as they work on finding and cataloging worm species at a University of Idaho research farm Tuesday in Moscow. (AP Photo/Dean Hare)

Question: Recently, the U.S. Fish and Wildlife Service filed a petition requesting that the giant Palouse earthworm be protected as an endangered species. Do you think worms are good for anything besides fishing with them?