David M. Nole ’09 fights for control of the ball with Rhode Island College’s Kyle Genereux during the MIT men’s soccer match on Saturday.

Sodium’s violent reaction upon contact with water is illustrated in this file photo from a sodium drop incident in 2003.

Grant D. Tomassi ’11 scores a goal late in the fourth period as the Engineers beat the University of California Santa Cruz, the defending NCAA Division III national champions, 13-9 Friday evening at the Zesiger Center Pool.

MIT Police officers look on as Monday’s MIT Community Picnic held on Killian Court wraps up.

President Susan Hockfield discusses student life with (from left) Julie Laure K. Maison ’09, Neeharika Bhartiya ’10, and Timan E. Goshit ’09 at Monday’s MIT Community Picnic.

The MIT Community Picnic took place Monday in Killian Court, where tables and chairs were set up for a few who got there early enough to find a seat.

Elizabeth L. Palmer ’09 and Rachel B. Licht ’10 start the Man-Labs Trophy regatta this past Saturday, Sept. 8. MIT’s A Division sailing places first, just ahead of Yale and Harvard.

The Graduate Student Orientation featured MIT mascot Tim the Beaver, who is shown here rubbing the head of David R. Singerman G.

Anh D. Nguyen ’10 (left) and Thananat Jitapunkul ’10 (right) bite into their sandwiches at the MIT Community Picnic on Killian Court Monday.

Lines for the free Community Picnic lunch stretched along both sides of Killian Court Monday. The tables remained well-stocked with food throughout most of the picnic.

Leeland B. Ekstrom G, president of the Graduate Student Council, talks to The Tech about graduate student life and his plans for the GSC.