‘Doesn't science show there is no objectivity?’ examines developments in science thought to show that everything is relative to the observer, and hence that objectivity is impossible. It looks at quantum mechanics and Einstein's relativity theory on the grounds that these provide examples of the way in which observational results depend on the observer. It is shown that they do not undermine objectivity in science. The fact that something or someone may alter its behaviour when being measured or observed does not in itself mean that objectivity is not possible. All it means is that new procedures have to be devised to secure objectivity.