1. The sun does not revolve around the earth! In 1633, Galileo was sentenced to life imprisonment for proposing that the sun did not revolve around the earth. Since the earth did in fact make it's way around a sun at the center, of course, eventually, the truth won out. Church doctrine had to be adjusted to make the new idea fit. Of course, what Galileo did was further prove his contemporary, the mathematician and astronomer Copernicus, to be correct.
			2. The earth is flat! Christopher Columbus was not the first person to say or discover that the earth was round, but it was a commonly held belief amongst the uneducated masses in Europe for centuries that if one traveled far enough, you would fall off the edge of the planet. (Kind of like the "common knowledge" in our own time that Saddam Hussein is responsible for 9/11!) In the Western world, the Greeks had figured out that the earth was round long before Columbus set sail, but communication traveled slower in those days and the only ones who could read were nobleman and priests anyway.
			3. Matter is solid and air is not. Until the 16th Century in Europe, the scientific world view rested on two authorities: Aristotle and the Church. Aristotle said that everything in the world is made up of earth, water, air, fire and ether, that mysterious invisible stuff that was everywhere but couldn't be seen with the naked eye. Everything was solid and "stayed put" except ether. Since microscopes weren't invented until approximately 1590, there was no way to even see "inside" anything solid until that point in our history. So for the most part, Aristotelian scientific thought dominated European minds for 1800 years. That's a long time to accept something as indisputable fact! And until the microscope became really powerful during the 19th century, we couldn't have imagined that there was a world of activity inside a rock that we would come to call the quantum world of physics.
			4. Our consciousness is somewhere in our brain. While science now understands that various areas of the brain "light up" during activities and thoughts, we still can't find who exactly is doing the thinking; where and what makes the Observer work in our brains? People born with hydrocephalus, for instance, a condition where brain tissue is diminished because of an overproduction of cerebrospinal fluid (CSF) may have little or no effect on their intellectual abilities. To the surprise of the medical establishment, in a study of 253 hydrocephalus sufferers carried out by the University of Sheffield, Professor John Lorber discovered that there is no relation between volume of brain tissue and IQ.( from www.flatrock.org). One hydrocephalic is even cited to have become a mathematician!
		"We know whats an Observer does, from a point of view of Quantum Physics. But we don't know who or what the Observer actually is. It doesn't mean we haven't tried to find an answer. We've looked. We've gone inside your head. We've gone into every orifice you have, to find something called an Observer, and there's nobody home. There's nobody in the brain. There's nobody in the cortical regions of the brain. There's nobody in the sub-cortical regions, or the limbic regions of the brain. There's nobody there called an Observer. And yet, we all have this experience of being something called an Observer, observing the world out there." Dr. Fred Alan Wolf, physicist (quoted from the film "What the Bleep Do We Know?")