Life is resilient. Evolution provides a lot of tools for adaptation. But organisms can only change so much, so fast. The fossil record provides thousands of examples of organisms that could not adapt to abruptly changing conditions and became extinct.
Scientists point to coral as a canary in the coalmine for climate change -- and their reaction to increased water temperatures isn't the only indication that carbon emissions are reaching dangerous levels.
Facts can be filed away and forgotten. But a story is often vividly remembered. So here's a story about the Gulf of Mexico Dead Zone -- what it looks and feels like to experience this as an undersea diver.
Almost on a daily basis scientists discover something new about the ocean. Some discoveries are delightful; others boggle the mind. For your enjoyment and amazement as we begin the new year, here are seven wonders from the seas.