Introduced in mid-1976, the Little Professor is a non-printing electronic calculator modified to present simple arithmetic problems. A correct answer prompts another problem on the eight-digit display. An error delivers the message, "EEE." The colorful keyboard shows a professor with whiskers and gl

“When he reflected later in life on why, as a young man, he chose to enlist during wartime, Carlos Martinez said that avoiding service was never an option, not for his community and not for himself. In the mid-1960s, the United States had begun fighting the Soviet-supported North Vietnamese as par

A U.S. Border Patrol official reviews a bracero's documents while others wait in line to be processed at the Hidalgo Processing Center, Texas.

A U.S. Border Patrol official reviews a bracero's documents while others wait in line to be processed at the Hidalgo Processing Center, Texas.

Associate Chief Joseph A. Banco Jr. is a highly decorated, 22-year-veteran of the U.S. Border Patrol. During his long and distinguished career, Mr. Banco served on our Nation’s southwestern, coastal, and northern borders as well as internationally.This uniform was worn during the late 1990s betwee

Discuss the story of the Dust Bowl through images from photographer Arthur Rothstein, through song with Woody Guthrie's Dust Bowl ballads, and through text writings from President Roosevelt and farmer Caroline Henderson.  Then, challenge students to consider modern environmental issues with

In the early nineteenth century, lighthouses in the United States were considered inferior to those in France and England. American mariners complained about the quality of the light emanating from local lighthouse towers, arguing that European lighthouses were more effective at shining bright be

In this episode of the History Explorer podcast series, Curator Shannon Perich discusses how portraiture can be used in historical research. Shannon presents three historical portraits (including Dorothea Lange's Migrant Mother), describing the historical context of each, while also providin

Sam Houston emerged as a prominent player in the affairs of Texas. Houston was elected commander in chief of the armies of Texas and took control of the Texas forces after the fall of the Alamo. On April 21, 1836, his force defeated Santa Anna and secured Texas independence. Houston was elected t

George Ballentine, a British volunteer in the United States Army during the Mexican War, tells of fighting at Cerro Gordo. This video is part of the Price of Freedom learning resources package for use with the Conflicting Voices of the Mexican War lesson plan. It was produced t