Seabird poop speeds up coral growth

When marine biologist Candida Savage was collecting samples of nitrogen and other nutrients in the coastal waters of Fiji, she was jarred by what she found at one horseshoe-shaped coral reef: The nitrogen levels were off the charts. It was the last thing she had expected to find in a pristine environment brimming with healthy corals and diverse fish, far from the farming activities and polluted wastewater that typically accompany high nitrogen levels.