Kessi Osborne, left, a communication arts and sciences major, and her twin sister, Kalli, a media effects major, pose with the armillary sphere outside Old Main. The sisters are juniors at Penn State. / Photo by Stephanie Brus

Grant Arrigo, left, and his twin brother, Garrett, are from Pittsburgh and both are juniors at Penn State. Grant is majoring in wildlife science, and Garrett is majoring in risk management. / Photo by Matt Baumann

Lindsay Damiano, left, and her sister Jillian, right, pose outside the Millennium Science Complex. The twins are from West Chester, Pa. Lindsay is majoring in finance and Jillian is majoring in supply chain and information systems major. / Photo by Megan Brodbeck

Tyler Quinzan-Singer, left, and his twin brother, Ryan, pose outside Old State Clothing on Allen Street. The twins are junior mechanical engineering students at Penn State. They are from Southampton, Pa. / Photo by David Amerman

Rachel, left, and Olivia Shaffer, of Sharon, Pa., are freshmen in the Division of Undergraduate Studies. They both agree that one of the most notable characteristics of being twins is going through people's misinterpretations that everything about them is identical. / Photo by Andrew Tarr

Will Early, left, and his twin brother, Vinny, pose on the steps of Old Main. They are from Effort, Pa. The brothers are marketing majors in their junior year at Penn State. / Photo by Chris Lipfert

Hannah Pellichero, left, and her twin sister, Kelsey, are sophomores from Plainsboro, N.J. They are both majoring in elementary education and take all but one class together. / Photo by Kelly Tunney

Ali Foulsham, left, and her twin sister, Evan, are members of the women's lacrosse team at Penn State. The sophomores from Madison, N. J., are in the division of undergraduate studies. They are one of two sets of sisters on the women's lacrosse team. / Photo by Jeremy Kahn

John Beatty, left, and his twin brother Jake stand at the corner of East Prospect and South Garner in front of their fraternity house, Tau Kappa Epsilon. John is a labor and employment major, and Jake is an economics major. They are from Rochester, Pa. / Photo by Mary Klindworth

Rebecca Moore, left, and her twin sister, Kristen, unwind in the Berkey Creamery at the start of the week. Coming from a military family, they are currently from Maryland. Both Rebecca and Kristen are majoring in elementary and early childhood education with a minor in human development and family studies. / Photo by Lauren Lazar

Jazz Hendrick and his twin brother, Jade, jump off of the steps of Forum Building. The brothers are both business majors. Jazz wants to go into physical therapy, Jade's focus is in business management. / Photo by Denise Montano

Kirsten Guelly, left, and her twin brother, Stefan, pose at the HUB-Robeson Center. Both juniors, Kirsten is an energy, business and finance major and Stefan is a wildlife and fisheries science major. / Photo by Kelsey Lester

Jessica Pilgermayer, left, and her twin sister, Abby, pose by the fish tanks located in the HUB-Robeson Center. Abby, a speech pathology major, and her sister, Jessica, a supply chain management major, grew up in Quakertown, Pa. Jessica and Abby say they don't know what it's like to be a twin because they "don't know what it's like not to be a twin." / Photo by Ann Sciandra

From left, triplets Andrew, Ben and Matt Neal, from Indiana, Pa., are juniors at Penn State. The three brothers came to Penn State pursuing degrees in three different areas of engineering. / Photo by Lynn Ondrusek

Casie Hartman, left, and her twin sister, Ashly, of Lancaster, Pa. pose near Old Main for a portrait. These identical twins are both sophomores majoring in accounting. They agree that "A twin is the same person, but in a different body. They're someone you can depend on." / Photo by Megan Morris

Chris Dara, left, and his twin brother, Justin, pose in front of the pillars on Pollock Road. They are from Kinnelon, N.J. Chris is majoring in agricultural systems management and Justin is majoring in energy, business and finance. / Photo by Ryan Loy

Jamie DiMartin, left, and her twin sister, Danielle, pose at the corner of College Avenue and Pugh Street in State College Pa. Jamie is majoring in communications sciences and disorders and Danielle is majoring in elementary education. They are from Downingtown, Pa. / Photo by Matt Morgan

Kelly Parker, left, poses with her twin sister, Haley, in the living room of their State College apartment. The sisters are juniors at Penn State from Baldwin, Pa. Kelly is majoring in human development and family studies while Haley is majoring in information sciences and technologies. The best part of being a twin, Kelly said, is that "we're always there for each other and we're never alone." / Photo by Hannah Chakan

Kyle Stein, left, and and his twin brother, Kurt, pose before an intramural basketball game. Kyle, is a senior advertising major and Kurt is majoring in industrial engineering. They are from Pittsburgh. / Photo by Ann Sciandra

Alex Busalacchi, left, and her twin sister Katie are freshmen in the Schreyer Honors College. Alex is an economics major and Katie is a biological anthropology major. Although their academic careers are divergent, they both share a passion for the New York Yankees and NBC comedies. / Photo by Kelly Tunney

Bernard Bennett-Green and his twin brother, Brandon Bennett-Green, pose at the Multi Sport Facility during track and field practice. The Bennett-Green twins run sprints for the Penn State Track and Field team. Bernard is is a broadcast journalism major and Brandon is majoring in communication arts. They are sophomores. / Photo by Lucia Sofo

Cole Christner, left, and his twin brother, Brett, pose at the Lion Shrine. Cole is a crime, law and justice major and Brett is an international politics major. Both are juniors. / Photo by Lauren Bubb

Shawn Clark, left, took this photo of himself with his twin brother, Travis Clark, while playing guitar in their apartment in State College. The brothers are broadcast journalism majors in the College of Communications at Penn State. / Photo by Shawn Clark

Brianna Bower, left, and twin sister, Brittany, pose outside Old Main. Both sophomores, Brittany's majoring in human development and family studies and Brianna's majoring in criminal justice. They are from Chicago, Illinois. Brittany said " My favorite part about being a twin is that, no matter what I always have a best friend." / Photo by Nina Abbott

TheyJodi Letham, left, and her twin sister, Jamie, prepare a horse during a class at the Penn State horse barn. They are both agricultural science majors from Clymer, Pa. / Photo by Steve Osborn

Julie Mastrine, left, and her twin sister Amy pose in front of The Daily Collegian's building on Penn State's University Park campus. The juniors are from Ebensburg, Pa. and both work on the business division of the newspaper. Julie is majoring in public relations and Amy is majoring in advertising. / Photo by Somer Wiggins

Lindsay Gunderman, left, and her twin sister, Laura, sit in the Zoller Gallery, which is currently displaying the MFA graduate thesis exhibition of Candice NG and Adriana Ciocci. Laura works at the gallery. The sisters are supporters of the arts and enjoy studying art history. Lindsay is majoring in print journalism and Laura is majoring in visual arts. / Photo by Irene Yiu

Brendan O'Connor, left, and his twin brother, Kevan, pose in front of Old Main. The O'Connor twins, 22, are Penn State alumni from Blue Bell, Pa. / Photo by Carmella Cheese