Examines ways in which an individual's identity can be verified, different ways this information can be used, and technological advances in the process, and some issues concerning use of technology to identify people.

Discusses the history and current state of scientific understanding of black holes, exploring what they are, how they are formed, potential uses, and what they tell us about the fate of the universe.

"The Wilhelm Gustloff Story studies the Wilhelm Gustloff, a German passenger liner sunk in World War II's closing months while carrying thousands of refugees. Vivid text and images bring the ship to life, examining its construction, technology, crew, and passengers, as well as its place in history. Features include a glossary, references, websites, source notes, and an index. Aligned to Common Core Standards and correlated to state standards."--Amazon.com....

One of the great masterworks of science fiction, the Foundation novels of Isaac Asimov are unsurpassed for their unique blend of nonstop action, daring ideas, and extensive world-building. The story of our future begins with the history of Foundation and its greatest psychohistorian: Hari Seldon. For twelve thousand years the Galactic Empire has ruled supreme. Now it is dying. Only Hari Seldon, creator of the revolutionary science of psychohistory,...