{QTtext}{font:Geneva}{plain}{size:18}{textColor: 0, 0, 65535}{backColor: 59110, 54227, 43947}{justify:center}{timeScale:600}{width:640}{height:480}{timeStamps:absolute}{language:0}{textEncoding:0} [00:00:00.000] {textBox: 0, 0, 480, 640}{size:16}{justify:right}KITP Accretion and Explosion, 10 May 2007 10:30 {justify:center}{textColor: 65535, 0, 0}{size:24} Environmental Dependence of Ia Supernova Rates {size:20}Max Della Valle, Arcetri Astro. & KITP [00:00:10.000]