(Corvallis, OR)  --  Oregon State lost 36-33 on Saturday to Colorado at Reser Stadium.  It was the first game under interim head coach Cory Hart.  He replaced outgoing head coach Gary Anderson last Monday.  Senior quarterback Darell Garretson completed 20 of 37 passes for 289 yards and an interception in the loss.  The Beavers dropped to 1-and-6 and 0-and-4 in the Pac-12.