In popular science journalism the latest is always the best. With all the explanations for the “pause” in global surface temperatures since 1997 – there are now over 30 of them – it is always the most recently published one that is the “answer.” This time it’s the Atlantic Ocean that’s to blame. A paper published in Science says that a 30-year periodicity warms and cools the world by sequestering heat below the ocean’s surface and then releasing it.