The Yale Scientific Magazine (YSM) is published four times a year by Yale Scientific Publications, Inc. Third class postage paid in New Haven, CT 06520. Non-profit postage permit number 01106 paid for May 19, 1927 under the act of August 1912. ISN:0091-287. We reserve the right to edit any submissions, solicited or unsolicited, for publication. This magazine is published by Yale College students, and Yale University is not responsible for its contents. Perspectives expressed by authors do not necessarily reflect the opinions of YSM. We retain the right to reprint contributions, both text and graphics, in future issues as well as a non-exclusive right to reproduce these in electronic form. The YSM welcomes comments and feedback. Letters to the editor should be under 200 words and should include the author’s name and contact information. We reserve the right to edit letters before publication. Please send questions and comments to ysm@yale.edu.