News Posted July 15, 2014 Share Posted July 15, 2014 Birds are providing some insight into contamination in the Great Lakes. Scientists with the U.S. Geological Survey are observing tree swallows and monitoring levels of some toxins in their blood. If these metals and chemicals are in birds, they likely are in humans as well, researchers say.More... Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now