lunedì 7 settembre 2015

NYT Science: A Western Showdown With Mussels

A Western Showdown With Mussels
By JIM ROBBINS

Several states in the Rocky Mountains are checking boats hauled on highways to try to keep mussels from invading waterways.

Published: September 8, 2015 at 06:00AM

via NYT Science http://ift.tt/1ITJx37