Broadcom Foundation and Society for Science & the Public Announce Broadcom MASTERS 2013 National Science Fair WinnersFlorida Middle Schooler Wins Grand Prize for Study on Endangered Tortoises WASHINGTON, D.C. – October 1, 2013–NEWS HIGHLIGHTS· River Grace (age 14) of West Melbourne, Fla., wins $25,000 Samueli Foundation Prize in honor of overall STEM excellence for his study on endangered tortoises· Eitan Acks (age 14) of San Diego wins $10,000 Marconi/Samueli Award for Innovation in recogni