Darrin and Mac talk with John from Intel about project shiphunt. We also cover some scuba in the news. Crackdown on illegal snorkelling, Underwater weddings are the height of fashion, Avatar director named National Geographic explorer, Pirates of the Petaluma, Sub to make first dive to 90-year-old shipwreck today, Re-creating Noah's Ark and Michigan's Great Lakes offer 'the best shipwreck diving in the world'!