For the first time, scientists have demonstrated that the magnetic compass of robins fails entirely when the birds are exposed to AM radio waveband electromagnetic interference -- even if the signals are just a thousandth of the limit value defined by the World Health Organization as harmless.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/G...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/G...