Aaron L. Pike of Champaign, Illinois, races in the 119th Boston Marathon.

A large crowd gathered near Boston College to cheer runners on, holding witty encouraging signs.

Meb Keflezighi and the lead group of the male elite field push on after covering Heartbreak Hill.

On Friday night, students participated in the Dandelion Project, a collective artwork on Kresge lawn. Each participant wrote a wish on a card and hung it up inside a large round tent. At the center of the tent was a “dandelion” made of fiberoptic sticks. Each participant added a new stick to the dandelion. The project was hosted by the MIT 2015 Class Council, MIT STEAM, and Pneuhaus.

Stuart Schmill, Dean of Admissions, takes a pie in the face for charity on Friday. Alpha Epsilon Pi organized the event to raise money for Innovation Africa. Over $100 was raised to pie Dean Schmill. Twenty-four people were pied during the hours-long event, which was held outside the Student Center.

The Alpha Tau Omega fraternity was recently expelled from the Interfraternity Council and is appealing the decision. ATO’s house, shown here awaiting repairs on Monday, currently houses fraternity members.

The H1N1 Swine Flu virus has been spreading on campus. MIT Medical has been leading a campaign that attempts to reduce transmission.

The Alpha Tau Omega fraternity was expelled from the Interfraternity Council on Sept. 10. ATO’s house is shown here amidst Amherst Alley construction.

UPS driver Al F. Licarie has been working the MIT delivery route for 15 years. He is “finally graduating”, to a new route on the other side of Main Street.

Novartis might demolish the Analog Devices building, on Massachusetts Avenue between Albany St. and Smart St., to make room for a new building with twice the footprint.