Wait, when did "how to use these truths" become part of science?? How you use science to develop things that benefit people (or organizations) is normally called engineering! Science is normally concerned only with finding useful facts about the world. There are some exceptions, like when you're using the scientific method exactly to figure out what benefits people (or any living organism), for example, using pharmacology to develop drugs that help people. But I would argue that even then, the main concern of pharmacology is to figure out what kinds of drugs have what effects on humans in certain conditions - i.e. it fits perfectly into the definition of "searching for truth and facts".
How you apply that knowledge science gives you to solve problems that affect society is called policy - and policy, while can be analysed using the scientific method, is normally not itself science. It's hard to use the scientific method to study policy, though, because there are far too many factors involved in anything to do with large groups of people, and far too little room to do experiments on them.
As a tangent: even if you're correct that what scientists decide or are allowed to research is mostly political, the facts they find are not, at least if the scientific method is being used properly. Facts are never racist. Facts do not have opinions. And science should look for true facts, not opinions. Hence, even if your focus is on things you find political, the scientific facts and hypothesis you end up with must not be.
All I can say is (－‸ლ)