Despite the April 1 date, the topic is a serious one. For some background on why the concept of "Reproducible Research" is currently a hot topic, see Paul Voosen, "Amid a Sea of False Findings, the NIH Tries Reform", Chronicle of Higher Education, 3/16/2105:
While the public remains relatively unaware of the problem, it is now a truism in the scientific establishment that many preclinical biomedical studies, when subjected to additional scrutiny, turn out to be false. Many researchers believe that if scientists set out to reproduce preclinical work published over the past decade, a majority would fail. This, in short, is the reproducibility crisis.