Nature World: Adding to the extensive list of climate change's effects, researchers from Dartmouth College have uncovered a link between rising ocean surface temperatures -- a result, they say, of a changing climate -- and the amount of mercury in fish.
High in protein and omega-3 fatty acids, fish can play an important role in promoting proper growth and development as well as heart health. However, tucked away in the fatty tissue of many kinds of fish are high levels of methylmercury, an even more toxic form...