Soy retro porque...

El Monopoly y las obras caritativas; el altruismo y el cálculo de intereses egoístas; los nuevos ricos -altos ejecutivos con remuneraciones estratosféricas- y los nuevos pobres -los asalariados; el mundo multipolar sin fronteras y el renacimiento de las pulsiones nacionalistas; la nueva China que reproduce desigualdades dickensianas y las consecuencias paradójicas de la política del "hijo único"; la crisis del euro y las medidas de austeridad; los avances en biología y genética y la nueva servidumbre digital; las subprime y la lógica mercantil aplicada a la sanidad y la educación;...

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.

Huracanes y tornados is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

What do you do if you find yourself stranded at sea? This useful Spanish-translated nonfiction book gives readers the information they need in order to survive at sea. With essential tips and instructions, helpful diagrams and images, a bibliography, and a list of other useful websites, readers will learn everything they need in order to survive--from the dangers of hypothermia, what to do if there's only saltwater available, and other useful survival skills.