San Antonio College Library

When you look at a family photo, the resemblances, even across several generations, can be striking. What role do genes play, and why aren't siblings identical (and why are some)? This program explains how the formation of sex cells, from the first gamete to chromosome pairs, determines our genetic makeup. Deviations such as cystic fibrosis, Huntington's disease, achondroplasia, Klinefelter syndrome, and Turner syndrome are also discussed.

This classic episode of the U.S. Army's The Big Picture television series, hosted by NBC news commentator Bob Wilson, shows eight case histories depicting the strife and struggles around the world since World War II. Viewers of this video from the National Archives and Records Administration will gain a greater understanding of cold war events through the U.S. Army camera's eyes. Cases include Malaya, Vietnam, Greece, Korea, Guatemala, Lebanon, Taiwan,...

500+ Designs on Patchworking.

A journalist and expert on small business examines the strategies and philosophy of entrepreneurs who have overcome failure, risk, and setbacks to create highly successful companies, identifying key traits shared by all such successful entrepreneurs, including a talent for inspiring loyalty, a high tolerance for risk, and a firm belief in his or her company's product.

From space, earth’s surface is covered in weird and wonderful shapes. Wombats design their own landscape in Australia and hundreds of forest elephants create a tear in the endless green of the Congo forest canopy.