I can at least see where the WTS would say that "circle" referred to a spherical planet.
And burying their feces was certainly a smart and healthy practice, though there is no indication that it was done for hygienic purposes. This was in the context of soldiers in the field, and the reason given was that the camp had to be holy, because "God walks throughout your camp."
But DNA from the Psalmist talking about a cataloging of parts when he was in the womb? That's a real stretch.
I recall a video of Richard Dawkins's expression when a young Muslim girl explained to him that the Quran described the deep ocean currents, which was an indication that the Islamic holy book had the same scientific knowledge that some Christians ascribe to the Bible. If the text is vague enough, it can be reshaped endlessly to fit new discoveries, and always appears to be a step ahead of human knowledge and understanding.