September 12, 2012 7:14 pm Woolly Mammoth Tooth Found in San Francisco The Transbay Joint Powers Authority discovered the tooth and part of a jaw, while working on construction of the Transbay Transit Center US & World Videos 1:25 Bay Area high school seniors honored with Dave Goldberg Scholarship 1:10 Bay Area app monitors problems for people living with Parkinson's 0:26 Kaiser Permanente data breach may have affected millions 1:35 Kari's forecast: Gradual warming trend 2:12 Pro-Palestinian protests continue to grow at Bay Area universities