| 5,300 words, about 26 minutes In the Absence of Cruise Ships, Humpbacks Have Different Things to Say Researchers don’t know exactly what the whales were saying, of course, but the discovery that the proportions of call types changed is intriguing on its own. | 450 words, about 2 minutes Flying by the Fat of the Sea Scientists may have cracked an essential secret of shorebirds’ marathon migrations. Our penchant for catching big fish is breaking the cycle. Letting Carbon Sink with the Fishes Fish fall to the seafloor when they die, sequestering carbon in the deep.
