Monisha Chakravarthy

Penn seems to have acquired a vigilante environmental group. In the past few weeks, stickers appeared on the toilet paper caddies in Huntsman Hall bathrooms requesting that students avoid taking an extra sheet of toilet paper. The stickers read, "Green Policy in Effect: Do you really need that extra sheet?" An image of an angry toilet paper roll and a crossed-out hand are also on the sticker.

With soaring interest in two main programs and a new batch of winners for one of them, Wharton Entrepreneurial Programs is having the best week ever. WEP, a hub of entrepreneurial resources affiliated with Wharton but available to all Penn students, supports a range of programs and projects that encourage students to transform thei

The next viral video on YouTube just might come from dear old Penn. The University now has multiple YouTube channels dedicated to sharing Penn-related video content on the Internet. There are about 15 individual video channels, and each is controlled by separate schools and institutions affiliated with the University.

U.S. News and World Report may say Penn is tied for sixth place, but it's number two for the quality of its students' note-taking, according to GradeGuru.com. GradeGuru is a Web site that lets students from any university post old notes and study guides from classes and get paid for them.

Defense lawyers and prosecutors agree that 2005 alumnus Edward Anderton is fully culpable for helping organize an identity-theft scam in which he and his ex-girlfriend stole about $119,000. But at a hearing Friday, the two sides were at odds about whether Anderton's remorse or the severity of his crimes should be the main factor in his sentencing.

When Microsoft upgrades to its newest operating system, Penn is likely to follow suit. Microsoft recently announced the development of Windows 7, the seventh version of the Windows operating system and the successor to Windows Vista. Penn officials said they will consider testing and using the system, despite fairly recent upgrades to Vista.

New study spaces called Incubation Stations in the Weiss Tech House will provide students with more room to think this semester. The larger of the two rooms features a wall-to-wall white board, projection equipment and new computers fully stocked with software such as Matlab and Adobe Creative Suite.

Transforming books into digital resources may be the latest trend in the world of academic libraries, but Penn officials say it may be a while before Penn joins in on the fun. HathiTrust - an initiative launched by the Committee on Institutional Cooperation as well as the 11 libraries of the University of California system - will grow to be a digital book repository for major research institution libraries.

YouTube-addicts beware - more distractions are on their way. The video-streaming Web site is in the process of loading several full-length episodes of TV shows such as Star Trek, Beverly Hills 90210 and MacGyver onto the site. This is a test run of YouTube's new "theater format," which features higher video quality and longer selections than the usual YouTube clips, and the player dims the rest of the applications open on screen.

Technology upgrades across campus are giving more students an interactive classroom experience. Numerous central pool classrooms - spaces that are open to classes held by any school - are in the process of a massive technology update. Changes include increased accommodations for "clicker" technology, upgrades in projection technology, Windows 2007 on all classroom computers and the installation of SMART Sympodium, a new program that can record a professor's voice as well as what he does on the computer in a lecture hall.