The Dish: Sampling Today’s News – February 15, 2008
AAAS president critiques U.S. science and tech policy; researchers map human impacts on ocean ecosystems; new materials for carbon capture; harnessing the tides and waves for energy; biodefense watchdog shuts down.

Under Article 76 of the 1982 UN Convention on the Law of the Sea, nations have rights to ocean floor on the continental shelf within 200 nautical miles of their shores. But countries can petition the commission that oversees the UNCLOS to extend that range based on “natural prolognations” of the continental shelf.