Computer science student prepares for semester [Photo]

Ian Howell, a junior majoring in computer science, studies at his computer on Tuesday in the MU Student Center. Howell said he is looking forward to his operating systems class this semester.

Ninth Street is filled with hustle and bustle of students [Photo]

Ninth Street is again filled with the hustle and bustle of students on Tuesday as they began their first day of classes for the spring semester.

MU students walk around campus [Photo]

MU students walk the grounds on Tuesday as they return for the start of the spring semester.

MU parking lots are filled on first day of semester [Photo]

As students return to campus on Tuesday for the start of the spring semester, university parking lots fill to capacity.

MU students crowd Student Center [Photo]

Students crowd the MU Student Center on Tuesday as they arrive back on campus for the first day of classes for the spring semester.

Mark Reynolds swings [Photo]

Then-Milwaukee Brewers player Mark Reynolds takes a swing during a game last season. Reynolds, who came to St. Louis in the offseason, is known for his power, but also for his tendency to strike out. St. Louis is willing to take its chances with the latter in exchange for a power bat the team desperately needs.

Aoki signs 1-year deal with Giants [Photo]

San Francisco Giants outfielder Nori Aoki tries on a new cap after being introduced at a news conference Tuesday at AT&T Park in San Francisco. The 33-year-old from Japan will receive a $4 million base salary this year, and the Giants have a $5.5 million option for 2016 with a $700,000 buyout. Aoki played last season with Kansas City, which lost the World Series to the Giants in seven games.

Alden speaks to press [Photo]

Missouri athletics director Mike Alden is swarmed with microphones April 29 after the announcement that Kim Anderson was to be the Missouri men's basketball coach.

Tiger Woods loses tooth [Photo]

Tiger Woods walks in the finish area of an alpine ski at the women's World Cup super-G,in Cortina d'Ampezzo, Italy, on Monday, His girlfriend, Lindsey Vonn, was competing in the event.

Dustin Johnson says cocaine not the issue [Photo]

Dustin Johnson, seen here at the British Open Golf championship at the Royal Liverpool golf club on July 19, 2014, in Hoylake, England, says in a magazine interview that cocaine is not the reason he chose to sit out the last six months to get his life in order. Johnson said in August that he was taking a leave of absence from the PGA Tour to seek professional help for what he called "personal challenges."

Rob Gronkowski spikes ball [Photo]

New England Patriots tight end Rob Gronkowski spikes the ball after catching a 5-yard touchdown pass during the second half of the AFC championship game. The Patriots are under investigation by the NFL for allegedly deflating footballs, which makes them easier to catch, during the 45-7 rout of the Indianapolis Colts.

Serena Williams wins in straight sets in 1st round [Photo]

The United States' Serena Williams watches her shot to Belgium's Alison Van Uytvanck during their first-round match at the Australian Open on Tuesday in Melbourne, Australia. Williams won the match in straight sets.

President speaks to letter writers [Photo]

President Barack Obama meets Tuesday in the Oval Office of the White House with four of the letter writers who will join the First Lady and Dr. Jill Biden at the State of the Union address in Washington. Clockwise, foreground, from left are, Victor Fugate of Kansas City, Missouri, Rebekah Erler of Minneapolis, the president, Carolyn Reed of Denver and Katrice Mubiru of Woodland Hills, California.

PHOTO GALLERY: Candlelight marchers want to further King's work [Gallery]

Marchers walked by candlelight from Douglass High School to St. Luke United Methodist Church, which hosted an event to honor Martin Luther King's birthday.

Piano music crescendos at Martin Luther King Jr. celebration [Photo]

The music began to crescendo as the Memorial Celebration in honor of Martin Luther King Jr's birthday began at St. Luke United Methodist Church on Monday. The service promptly followed a march that began at Fredrick Douglass High School.

Supporters wait for the Memorial Celebration to begin [Photo]

Supporters wait for the Memorial Celebration to begin at St. Luke United Methodist Church in honor of Martin Luther King Jr's birthday on Monday.

Marchers move along Providence Road [Photo]

People march along Providence Road to St. Luke United Methodist Church in celebration of Martin Luther King Jr. Day on Monday.

Chris Leach and Talasha Jones hold candles during a march [Photo]

Chris Leach, left, and his cousin, Talasha Jones, hold candles during a march to St. Luke United Methodist Church in celebration of Martin Luther King Jr. Day on Monday.

Fuel savings could accelerate iPad initiative [Photo]

Students use iPads in a class at Lincoln Intermediate School Wednesday in West Allis, Wisconsin. In the West Allis-West Milwaukee school district, a three-year-old initiative to provide iPads for all of the 10,000 students may be accelerated, thanks to the $16,000 fuel savings already realized this year compared to 2013, with more savings to come. (Morry Gash/The Associated Press)

Blues top Avalanche 3-1 [Photo]

St. Louis Blues' Alex Pietrangelo, left, is checked off the puck by Colorado Avalanche's Gabriel Landeskog, of Sweden, during the first period of Monday's hockey game in St. Louis. St. Louis beat Colorado 3-1.