Part of the Operating systems glossary: Mac OS is the computer operating system for Apple Computer's Macintosh line of personal computers and workstations. A popular feature of its latest version, Mac OS X, is a desktop interface with some 3-D appearance characteristics.
Nine 3-year-olds were entered for the 138th Preakness Stakes: The Preakness post position draw was held at the International Pavilion in the Pimlico Infield at 6 p.m. on May 15, 2013 and were broadcast live on HRTV using a blind draw. After the draw Orb was installed as the even money favorite securing the rail.
Secretariat, left, races toward a record win in the Kentucky Derby on May 5, 1973, at Churchill Downs in Louisville, Kentucky. 1  Officials rule that 1973 winner is Preakness record-holder. 2  The official time of 1:54 2/5 was disputed by independent timers.  Using video evidence commission revises time to 1:53 flat.