Do birds like modern architecture?
Birds need hiding places, and some like to build nests in our buildings. So how are birds dealing with all the flat roofs and clean lines in modern construction?
The Arctic may be a long way from the industrial world, but harmful chemical substances find their way northward and concentrate in animals there. Researchers have now found a disturbing trend: concentrations of one harmful chemical family are higher in thin Arctic foxes than in their more well-fed brethern.