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Sam Witwicky leaves the Autobots behind for a normal life. But when his mind is filled with cryptic symbols, the Decepticons target him and he is dragged back into the Transformers' war.

A man learns something extraordinary about himself after a devastating accident.

Shy and slightly awkward Marian wants desperately to be accepted into the social circle that directs everything at her high school. Rod, the rich star athlete and the leader of that circle, has everything in his favor to be popular. Ben, although from a lower social class, is part of the group because he has an outgoing personality. Susie, who used to be friends with Marian, fits in the middle of the group - not the most popular or as rich as Rod, and not as outgoing as Ben, but she possesses enough of each of those attributes to be accepted. And there are others like Jerry who isn't part of the group, but doesn't want to be. Susie is having a party, to which Marian has not yet been invited. Malcolm and Evelyn, Marian's parents, talk about Marian's social development. Marian takes after Evelyn, who admits her own insecurities and how that in turn may affect Marian's development, while Malcolm is worried that not being accepted may scar Marian for life. Although the party in and of itself is not important, it does act as a symbol for Marian's social acceptance or lack thereof.

The introduction of world trade in Tudor England inadvertently introduces foreign poisonous substances. One such case is sugar and the subsequent rotting of teeth.

Biomimetics uses nature as a starting point for ideas ranging from different ways of exploring Mars to how to design a city of the future.

An educational film. Dave has problems and becomes a juvenile delinquent.

The story of an AI unit who is anything but artificial.

Flying robot quadrotors perform the James Bond Theme by playing various instruments including the keyboard, drums and maracas, a cymbal, and the debut of an adapted guitar built from a couch frame.

Scenes from the lives of the Catawba and Cherokee living in the Carolinas.

83 AND ALONE explores a community made empty because of water.

Michael Wolff in conversation with Dick Polman, "Writer in Residence" at the University of Pennsylvania, and national political columnist at WHYY News.

During World War II and the era of staunch racial segregation, a Black carpenter's son named Vivien Thomas, who had a talent for surgery, along with a white surgeon named Dr. Alfred Blalock, who defied the medical establishment created a partnership that changed the course of cardiac surgery. With only a high school diploma, Thomas became a leading cardiac pioneer and educator of two generations of the United States' premiere heart surgeons. This moving documentary tells the story of Thomas and his relationship with Blalock, one that ushered in advances in surgery that are still in existence today.

Twenty-five years ago, the ancient Mayans were thought to be a mysterious and peaceful people governed by astronomer-priests. But in 1965, Russian linguist Yuri Knorosov cracked the phonetic code of Mayan hieroglyphic writing in the confinements of his bustling Leningrad study. Today, researchers reveal stories of Mayan blood sacrifices as they uncover a world so foreign as to defy our understanding of it. From excavations deep in the jungles of Honduras to the most recent interpretations of hieroglyphic messages, researchers are unraveling the fascinating story of the rise and fall of the Mayans.

Horizon uncovers the secret world of our dreams. In a series of cutting-edge experiments and personal stories, we go in search of the science behind this most enduring mystery and ask: where do dreams come from? Do they have meaning? And ultimately, why do we dream? What the film reveals is that much of what we thought we knew no longer stands true. Dreams are not simply wild imaginings but play a significant part in all our lives as they have an impact on our memories, the ability to learn, and our mental health. Most surprisingly, we find nightmares, too, are beneficial and may even explain the survival of our species.

The study of dinosaurs has entered a new age. Predators have now become patients. High tech medicine is extracting new clues from ancient bones and revealing the genetic secrets of dinosaur DNA.

Discover the cutting-edge technologies that are propelling us toward a new chapter in aviation history.

Advances in medical science are making aging, sickness, and potentially even death avoidable conditions.

Are the wealthy just born in the right place at the right time? Are the poor victims of a system designed to keep them down? Or do physics and biology determine who is rich and who is poor? Scientists have found that throughout history, the distribution of wealth is governed by hidden forces: DNA, environmental stress, patterns of human migration and even the laws of thermodynamics! Nature seems to demand winners and losers in life. But does this mean greed is king, and the rich can take what they want? Or does the cooperation among even the smallest microorganisms prove selfishness is not essential for survival?

Pennsylvania state and main city Philadelphia (Greek for 'brothery love') was founded by William Penn, a Quaker aristocrat who abandoned an English luxury life to establish a haven of religious liberty, with the Liberty Bell as symbol, later extended to abolition of slavery. It paid for its Ivy League Penn State University the main nod of US railroads as center of manufacturing. A favorite pastime was visiting the nearby coast at Atlantic city, which grew thanks to the railroads, attracting tourists nationwide, allowing gambling when competition grew.