About 300 people gathered for the Research Days keynote lecture, which was titled “Stuffed and Starved: The Hidden Battle for the World Food System.”

Ann Marie Wilhelm, 15, a sophomore at Seton Catholic Central, has her brain waves measured with assistance from Binghamton University graduate student Mavi Ruiz-Blondet. Wilhelm and her classmates visited Sarah Laszlo’s neuroscience lab during Binghamton University Research Days.

Jeffrey Mativetsky, assistant professor of physics, welcomes students to his laboratory in Science II during Binghamton University Research Days.

Students from Seton Catholic Central visit the lab of Binghamton University biologist Anthony Fiumera during Research Days.

Biology graduate student Mei-Yi Zheng presents her research during the Binghamton University Research Days poster session, held April 24, 2015, in the Mandela Room.

Geography graduate student Abraham Motau discusses his research with Bahgat Sammakia, vice president for research, during the Binghamton University Research Days poster session.

Arwa Fraiwan, a graduate student in mechanical engineering, speaks about her research related to biological fuel cells during the Binghamton University Research Days poster session.

Addresses Delivered Before the Virginia State Convention, published in 1861, is the only example of a Confederate imprint in the Binghamton collections.

The Maurice Leyden Collection contains 52 diaries by Leyden as well as one of his children and his aunt. Leyden, treasurer of the 3rd New York Regiment of Cavalry, served as a second lieutenant and a captain in the Civil War.

Lewis H. Brown served as a corporal in Company D of the 27th New York Regiment of Volunteer Infantry. In this letter, written by Brown to his brother Burritt Brown in July 1861, he describes his own battlefield performance. “I had some difficulty loading and firing my gun,” he writes, “for it was something that I had never done before. You see we had to load and fire at the same time. Whether I killed anyone or not I cannot tell. I know one thing that is I tried hard to do so.”

This small diary, kept by Fred Walster in 1865, describes his experiences as an infantryman and includes numerous entries about Abraham Lincoln. This entry from April 15 begins “Great Calamity — Abraham Lincoln is dead.”

This is a history of the 27th Regiment of the New York Volunteers, which included recruits from Broome County, N.Y. The regiment fought in the siege of Yorktown as well as the battles of Antietam and Fredericksburg.

This 1839 newspaper “extra” announces an anti-slavery convention in Owego, about 25 miles west of Binghamton.

Anna Wilcox, pictured at right, of Chenango County, N.Y., kept a wartime correspondence with several cousins who were serving in the Union Army. Some of these letters are in the University’s Anna E. Wilcox Collection. At left, a group portrait of Wilcox and John Pike (seated in the foreground) with Emma Rose Pike and Sarah E. Pike (standing).

Tara Dhakal, a research scientist with the Center for Autonomous Solar Power (CASP), discusses solar cells with U.S. Sen. Kirsten E. Gillibrand during her visit to the laboratory. CASP specializes in solar cells made with non-toxic, earth-abundant materials.

U.S. Sen. Kirsten E. Gillibrand speaks about the America Innovates Act, which would help scientists and researchers secure resources and training to turn discoveries into marketable products, high-tech companies and jobs.

Bahgat G. Sammakia, interim vice president for research at Binghamton University, discusses innovation and technology with U.S. Sen. Kirsten E. Gillibrand during her visit to the Analytical and Diagnostic Laboratory on campus.

U.S. Sen. Kirsten E. Gillibrand speaks with members of the news media after her Oct. 8 announcement at Binghamton University.

This high vacuum deposition tool made by CHA Industries was provided to the FlexTech Alliance with funding from the U.S. Army Research Laboratory.

John Pellegrino of the U.S. Army Research Laboratory, left, inspects the high vacuum deposition tool with help from Peter Moschak, CAMM facility manager.

Bahgat Sammakia, director of S3IP, left, and Binghamton doctoral student James Switzer discuss flexible electronics with John Pellegrino of the U.S. Army Research Laboratory in the CAMM clean room.

From left: Christopher Ober, Francis Band professor of materials engineering at Cornell University; Bahgat Sammakia, director of S3IP; John Pellegrino of the U.S. Army Research Laboratory; CAMM Technical Director Mark Poliks; David Morton of the U.S. Army Research Laboratory; CAMM Director Peter Borgesen; Michael Ciesinski, president and CEO of the FlexTech Alliance; and Eric Forsythe of the U.S. Army Research Laboratory toured the CAMM before the third-annual Symposium on Flexible Electronics.

CAMM Director Peter Borgesen opens the third-annual Symposium on Flexible Electronics with an overview of the Center of Excellence.

John Pellegrino of the U.S. Army Research Laboratory delivers the keynote address of the third-annual Symposium on Flexible Electronics in August 2010 at Binghamton University.

Senator Toby Ann Stavisky meets with President Lois B. DeFleur; Darryl Wood, president of the United University Professions Binghamton Chapter; Gary Beach, executive vice president of CSEA; 2009 Exemplary Student winner Jessica Falzone; and Meredith Coles, associate professor of psychology.

State Sen. Thomas W. Libous talks with Peter Moschak and Theresa Taro, representatives from Endicott Interconnect Technologies, at their display in Albany.

State Assemblywoman Donna Lupardo and President Lois B. DeFleur tour the displays in Albany. Mechanical Engineering student Yang Gao, left, greets them at the S3IP display.

James Burns, assistant professor of music, seated at left, leads his African drumming ensemble in Albany.

Chemistry majors Dan McCurry, Lili Karam and Abigail Oakes were among the students, faculty and staff who offered the community an opportunity to learn more about the campus and its activities on March 6 at the Oakdale Mall in Johnson City.