The Daily Northwestern is the main student newspaper. Established in 1881, and published on weekdays during the academic year, it is directed entirely by undergraduates. Although it serves the Northwestern community, the Daily has no business ties to the university, being supported wholly by advertisers. It is owned by the Students Publishing Company. North by Northwestern is an online undergraduate magazine, having been established in September 2006 by students at the Medill School of Journalism. Published on weekdays, it consists of updates on news stories and special events inserted throughout the day and on weekends. North by Northwestern also publishes a quarterly print magazine. Syllabus is the undergraduate yearbook. First published in 1885, the yearbook is an epitome of that year's events at Northwestern. Published by Students Publishing Company and edited by Northwestern students, it is distributed in late May. Northwestern Flipside is an undergraduate satirical magazine. Founded in 2009, The Flipside publishes a weekly issue both in print and online. Helicon is the university's undergraduate literary magazine. Started in 1979, it is published twice a year, a web issue in the Winter, and a print issue with a web complement in the Spring. The Protest is Northwestern's quarterly social justice magazine. The Northwestern division of Student Multicultural Affairs also supports publications such as NUAsian, a magazine and blog about Asian and Asian-American culture and the issues facing Asians and Asian-Americans, Ahora, a magazine about Hispanic and Latino/a culture and campus life, BlackBoard Magazine about African-American life, and Al Bayan published by the Northwestern Muslim-cultural Student Association.

What is the name of Northwestern's main student newspaper?