As President Barack Obama took the oath of office at yesterday’s inauguration, hundreds of members of the MIT community looked on from lecture halls and communal spaces. Students expressed a cautious optimism for the future.

The 2009 Mystery Hunt concluded, after 63 hours, when the team Beginner’s Luck uncovered the coin, the traditional goal of the hunt, in the Building 13 basement on Monday at 3:03 a.m.

Starting January 24th, the MIT Parking and Transportation Office will operate a shuttle to and from Trader Joe’s and Whole Foods Market. The shuttle will run every Saturday from 11 a.m. until 2:47 p.m., leaving campus every 30 minutes and making its last pickup on campus at 1:47 p.m. A current schedule can be found online at http://web.mit.edu/facilities/transportation/shuttles/grocery.html.

The lasting impression left by the Apollo missions is of a moon that is gray, dusty, desolate and dead. But instruments left behind by Apollo astronauts recorded moonquakes and wobbles in its rotation that gave hints of a still molten core.