What are the hard and fast rules of Science, if any?

In science, there are certain principles and rules that provide a foundation for conducting research and understanding the natural world. While there may not be hard and fast rules in the sense of definite conclusions, there are several guiding principles that scientists adhere to. Here are a few:

1. Empirical evidence: Science emphasizes the importance of evidence obtained through observation and experimentation. It requires that claims and explanations be supported by observable and measurable data. This evidence is crucial for drawing conclusions and formulating theories.

2. Testability: Scientific ideas must be falsifiable, meaning they can be tested and potentially proven wrong. Hypotheses and theories should be formulated in a way that allows for experimental testing or empirical investigation to determine their validity.

3. Reproducibility: Scientific findings should be reproducible, meaning that other researchers should be able to repeat the experiments or observations and obtain similar results. Reproducibility helps ensure the reliability of scientific claims.

4. Objectivity: Science aims to be objective by minimizing bias and personal beliefs. It encourages researchers to separate their personal opinions from the interpretation of data and to apply rigorous and unbiased methods to obtain reliable results.

5. Peer review: The scientific community employs a system of peer review, where experts evaluate and critique each other's work. This process helps ensure quality control, promotes scientific integrity, and validates research before it is published.

It is important to note that scientific knowledge is constantly evolving, as new discoveries and advancements are made. Consequently, scientific conclusions are always subject to revision or refinement in light of new evidence.