Researchers studied nitrogen levels in the skeleton of a 130-year-old brain coral living 620 miles from the North American mainland and found that the nitrogen from human sources was less than had been estimated.
130-year-old brain coral reveals encouraging news for open ocean
Researchers studied nitrogen levels in the skeleton of a 130-year-old brain coral living 620 miles from the North American mainland and found that the nitrogen from human sources was less than had bee..
