ElB, do you accept that the question you ask and the method you use determine the possible range of answers you can get?
If so, it follows that science is as much determined by humans as religion is, and is therefore 'subjective' as all human life is.
I'm not saying this to say that science is wrong, or deficient, but I'm really not convinced by this myth of purity / pristine-ness / objectivity that surrounds science. I think that all communities / philosophy 'schools of thought' construct and maintain their identity with reference to certain myths, and this 'myth of objectivity' is utterly central to scientific materialism. If science is not 'objective', it cannot be authoritative...
But...I don't knw much about science, but I've had lots of experience of medicine from a patient's POV. I've had a long term illness for 20 years now and I know so well how subjective the methods used to control my illness are - depending on what the doctor values and thinks might work. Same with two other members of my family who have long term illnesses. I've moved to a different county and the approach in my new hospital is very different to my old one - I could see the discomfort on my new consultant's face as I was telling him how my old consultant chose to treat me...
Obviously both consultants' views are informed (I trust so, anyway!)
- but they did not agree - so 'subjectivity' plays a big part here. I think it might be more accurate to say that science is a mixture of objective and subjective - trying things out (subjective) within a known paradigm (objective). This seems true of medicine, at least...