The “Acknowledgements” section of a scientific paper is usually a good cure for insomnia—just a list of names of collaborating scientists and funding agencies. So what is the U.S. National Swim Team doing in the acknowledgements of a new paper on dolphins? Turns out our swim team held the answer to one of marine biology’s oldest conundrums—how dolphins swim so fast with limited muscle power. The problem dates back to 1936, when Sir James Gray