Is There Just One Best Way to Do Science?

How do we know which ways of doing science are better than others? And does it even make sense to say thathere is just one best way to do science? Because, after all, don't we have our personal biases? Cause the scientist is not some objective, neutral, impartial observer. He has his biases and various metaphysical and epistemic assumptions That he brings to the table when he's doing his science.