Do you like some risk with your tropical vacation? Then head to Kauai to experience this dangerous, yet beautiful, tide pool. Just don't go in winter.

These tons of nitrogen support the health of tropical ecosystems and fish ... Hawaii, the input of nutrients from whales is bigger than from local sources. It's critical to tropical ocean health ...

and provide food for sharks and other fish and many invertebrates." Thousands of humpback whales travel from a vast area where they feed in the Gulf of Alaska to a more restricted area in Hawaii ...

(Credit: Martin van Aswegen, NOAA permit 21476) New research shows that whales move nutrients thousands of miles—in their pee and poop—from as far as Alaska to Hawaii, supporting the health of ...