That’s what happens when you restrict higher education.

Sanctions when?

He says that Israel’s right to self-defence is unquestionable yet calls the other side terrorists. He does not sound very neutral…

Science is based on the principle of the inference to the most plausible. When you have multiple theories explaining a phenomenon, the one which makes the most sense with regards to the gathered data is deemed THE explanation. That is, until another theory comes with more compelling data and evidences.

Example: the "static universe" cosmological model

Science is basically our best understanding of the world. Doesn't mean it's 100% true, but it's how far we got.

That he did, of course.