The phrase "numerous scientific journals" refers to a large number of publications that are dedicated to publishing research and findings in various fields of science. These journals contain articles written by scientists, researchers or academics who present their latest discoveries, experiments, theories and studies for peer review and publication. The term 'scientific' here means that the content is based on empirical evidence, systematic observation, experimentation and analysis to advance knowledge in a particular field of study. Numerous refers to the abundance or multitude of such journals available, indicating a vast collection of scientific literature for researchers to access and learn from.