Continentes de la Tierra (Earth’s Continents)

Describes the life and times of the well-known hero of the American Revolution, Paul Revere, a patriot and silversmith whose midnight ride was made famous in a poem by Henry Wadsworth Longfellow.

Provides the story of the black woman whose refusal to give up her seat on a bus in Alabama set in motion all the events of the civil rights movements that resulted in the end of the segregated South.

Condensada y selectiva, esta historia de la filosofía moral permite al lector situar los textos de ética en una perspectiva histórica, desde la generación homérica hasta los debates anglosajones contemporáneos. De este modo, el libro se ocupa de la mayoría de tipos y escuelas de la ética occidental: de los sofistas, de Sócrates y Platón, a la moderna filosofía moral, pasando por la ética de Aristóteles y la ética griega en general; el cristianismo, Lutero, Maquiavelo, Hobbes y Spinoza; las ideas británicas y francesas del siglo XVIII; Kant, Hegel y Marx; Kierkegaard y...

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.