Los estados de la materia — Los gases

Presents the Aztec tale of how warring gods Quetzalcoatl and Tezcatlipoca helped to form the Earth when they joined together to conquer the goddess Tlatecuhtli.

Plymouth Rock chickens and Silkie chickens are just a couple of the many breeds of chickens living on farms. Readers will learn how farmers raise chickens and what different breeds are called. This high-interest book combines eye-catching photographs with manageable text to best reach its readers. Readers will love learning chicken fun facts, while gaining an understanding of why chickens are farmyard staples. Text is supported by a variety of tools, including a picture glossary, table of contents, index, and additional websites.

Politicians today in both Europe and the United States have succeeded in casting government spending as reckless wastefulness that has made the economy worse. In contrast, they have advanced a policy of draconian budget cuts--austerity--to solve the financial crisis. We are told that we have all lived beyond our means and now need to tighten our belts. This view conveniently forgets where all that debt came from. Not from an orgy of government spending, but as the direct result of bailing out, recapitalizing, and adding liquidity to the broken banking system. Through these actions private...

Del bullir y la sed (Prólogo) Como lector y escritor de versos, no como crítico, que no lo soy, es que me atrevo a hablar de Semántica de un tornillo enamorado, de Luis Perozo Cervantes, libro armado con tres en cierto modo plaquettes relacionadas entre sí (situaciones, se advierte, teórica, metafórica y poemática), donde el joven autor, de carácter a mi ver ciertamente expansivo, da suficiente muestra de a la vez sentido de contención, humor, retórico y, con su indispensable ironía, dados los tiempos, de lo romántico –o del romanticismo en sus varias acepciones. Para una...