Researchers turn to cannons to save elusive birds
Friday, September 20, 2013 - 01:30
in Earth & Climate
EASTHAM, Mass. (AP) -- Three cannons explode on a deserted Cape Cod beach, unleashing a startling cloud of white smoke and sand. In tandem, projectiles erupt from the ground, flinging a net over a group of elusive shorebirds known as red knots....