Follow up to postings on the Gulf Coast oil spill, via WJS: “A university researcher questioned the significance of government data that suggest oxygen levels in the Gulf of Mexico haven’t dropped enough to be of serious concern. Samantha Joye, an oceanographer at the University of Georgia who is studying the oil spill’s potential effects on Gulf marine life, said water samples that she and colleagues have taken show a more worrisome drop in oxygen levels than was reported recently by a separate group of federal researchers aboard a different ship.”