The phrase "numerous scientists" refers to a large group or multitude of individuals who are engaged in scientific research, study and experimentation. These people have dedicated their lives to understanding and exploring various aspects of our world through the application of empirical evidence, observation, measurement, and analysis. They come from diverse backgrounds such as physics, chemistry, biology, geology, astronomy, psychology, and many other fields that involve scientific inquiry. The term "numerous" implies a significant number or great abundance of these individuals who are actively involved in the pursuit of knowledge through science.