My account of the early mathematical history of the circle

http://wwwscientifichumanism.blogspot.com/2012/08/astro-picture-for-day_7.html I also added some more mathematical connections to Greek mathematics in my Babylonian post; once again, I choose to keep the original post whatever faults there were . . . for historical reasons! . . . and post the new material in the replies section, http://wwwscientifichumanism.blogspot.com/2011/05/mesopotamiababylon-and-summaria.html I've also finally gotten around to writing up about the relationships between the theorems of Thales; once again, I leave my original post as is, and put the new material in the replies section, http://wwwscientifichumanism.blogspot.com/2011/05/my-review-of-van-der-waerdens-science.html