28 julio 2015
Researchers have found they can get a good idea of a grizzly bear’s diet over several months by looking at a single hair. The technique, which measures residues of trace metals, can be a major tool in determining if the threatened animals are getting enough of the right foods to eat.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/uatv0UNITiY» height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/uatv0UNITiY/150728101209.htm
