October 2, 2009 12:12 pm Pink Waves Roll in IB Raw Video: Scientists conducted a colorful study in Imperial Beach on Friday as part of a study on beach pollution dynamics. US & World Videos 1:41 Prince William shares brief update on Princess Catherine to well-wishers at UK visit 1:28 LAPD dismantles protester encampments at UCLA 1:36 Arizona Senate repeals 1864 abortion ban 1:40 Democrats say Big Oil misled public for decades about climate change 5:44 May Day demonstrations, Gaza war protests continue across Bay Area