According to Popper science is an open belief system where every scientist’s theories are open to scrutiny, criticised and tested by others. He says that science is governed by the principle of falsificationism. This is whereby scientists set out to try and falsify existing theories, deliberately seeking evidence that would disprove them. Such as the fact that the big bang is a theory that everyone accepts but there is much more that scientists do not know and more needed to be found therefore it could be false. It argues that there always can be more and more evidence for every theory that has ever been made and proven. Then when disproving these knowledge claims allows scientific world to grow. It is cumulative, whereby it builds on achievements of previous scientists. This explanation shows that science can be a belief system as nothing can ever be proven 100% as there will always be something or someone that will disprove a theory with other evidence and therefore people belief what they have been told. This is much like religion in a way by the fact that religion cannot be proven it is something that people belief in.
If popper is correct then it still leaves the question of why science has grown over the last few centuries. Merton argues that science can only thrive as a major social institution if it receives support from other institutions and values. He argues