@Neb: Science is about things that we believe because we can and have tested them via experiment. Religion is about things we believe but cannot test. Just because something is untestable does not make it wrong, but it does make it not science.
Science has precisely one core belief: that the world around us is inherently predictable, in the sense that if we do an experiment and arrive at a result, continuing to do the same experiment will continue to produce that result. Quantum mechanics makes understanding the results a bit more complicated, but the same principle holds.
So, consider the question of whether the Sun will appear in the sky tomorrow. The scientific answer is that it always has in the past, and we have been able to use this to develop a model which has made many correct predictions (and no incorrect predictions) about celestial objects. Therefore, we conclude that yes, the Sun will appear in the sky tomorrow. [If it does not, we would be forced to conclude that there was an error in our models, so we'd throw them out in favor of new ones that were able to explain both all of the past times the Sun came up and the one time it didn't.]
Now, what if I told you that I believed the Sun would not come up tomorrow, although you had no evidence of this, but a lot of other people you talked to also thought it might not come up tomorrow? Maybe even an ancient civilization produced a document claiming it wouldn't come up tomorrow. Would it be bigoted of me to tell you that your belief should not be taught in a science class? Is it intolerant of me to point out that you have no logical basis for your claim that the Sun will not rise?
Again, you are welcome to hold whatever beliefs make you happy. If you would like to go through life believing that 1+1=3, nobody's going to stop you. On the other hand, such a belief is likely to mean you have trouble doing things like paying bills, and that you're easily swindled. So, as a society, we try hard to teach you the mathematical background necessary to be a functioning adult as part of your basic education. The same is true of science -- a certain level of understanding about how the world works is necessary to be a functioning adult. Those who do not believe in modern medicine are welcome to their beliefs, but also have a shorter life span than those who do. Those who adopt a style of scientific reasoning, of determining whether something is true by testing it instead of avoiding the test and arguing it, tend to get the right answer more often. These are basic life skills, and as such, it's our duty to teach them to every child while growing up.
And, if you'd prefer to go through life discarding these, that's your choice. On the other hand, it's been pointed out that any sufficiently advanced technology is indistinguishable from magic. If you treat your computer as magic and I understand it well enough not to, which one of us is going to lose more money when part of our computer breaks? If you treat medicine as magic, and I understand it well enough not to, which one of us is going to make better choices if faced with multiple treatment options? In effect, yes, you can go through life treating the world around you as magical and miraculous, and that may well be what makes you happiest, but there are severe consequences, too. I am fine with members of our society choosing to take those consequences, but it's our duty to make sure they understand what they're missing before they make that choice.