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Kevin A. Rafferty, Toscanini’s new ice-cream chef, has invented 26 new flavors of ice cream since joining the staff three months ago. Among his new flavors are “Drunken Three Musketeers” and “B3.”

President Barack Obama will be speaking about clean energy at Kresge Auditorium on Friday. Obama is seen here at a campaign stop in Boston in February 2008.

Professor JoAnne Stubbe received the 2009 National Medal of Science for her pioneering work in understanding the enzymes involved in DNA replication and repair.

Picketers from the International Brotherhood of Electrical Workers stand outside Lobby 7 on Wednesday afternoon. Members of the electricians’ union have been protesting MIT’s contracting practices for over five weeks.

Members of the Class of 1954 (from left to right) Joseph Blake, Harvey Steinberg, and MIT President Emeritus Paul E. Gray reminisce at Legal Sea Foods on Wednesday after a memorial ceremony for the late Anna McAlliste...

Zara K. Karuman ’13 performs a handstand on the uneven bars as her teammates look on during gymnastics practice on Thursday in DuPont. Due to budget cuts, the gymnastics team lost its varsity status at the end of last...

Customers make use of the MIT post office in the Student Center on Sept. 21. The post office is one of about 400 branches being considered for closure.

The dinner that launched a dozen e-mails.

New Freshman Class President Danielle A. Class ’13 on the entire Freshman Class Council consisting of sorority pledges: “We’ll need to think outside the box, we won’t just focus on Greek life… We’ll be a strong team, ...

Stasey Vishnevetsky ’12 hits a backhand shot during the women’s tennis match against Tufts University on Friday at the du Pont Tennis Courts. The Engineers lost the match 9-0 against a strong Tufts team.

After intercepting the ball, defensive back Brian P. Doyle ’11 weaved his way around the defenders his teammate was blocking to rush for the Engineers’ third touchdown. The Engineers shut out the UMass Dartmouth Corsa...

U2 guitarist The Edge stomps his foot to the beat of “Sunday Bloody Sunday” during Sunday’s concert at Gillette Stadium in Foxboro, MA. U2 played two nights there to sold-out crowds. The North American leg of their 36...

FISCH ON PHISH—Conductor Asher Fisch checks in with Anastasio during “Water In The Sky.”

EPIC PROPORTIONS—Trey Anastasio performs “Time Turns Elastic” with the New York Philharmonic. The multi-part work was co-written by Don Hart.

While wearing a brassiere over his mouth, Professor of Physics Wolfgang Ketterle, recipient of the Nobel Prize in Physics in 2001, gives two thumbs up to the winner of this year’s Ig Nobel Public Health Prize. The win...