Pasiones, piojos, dioses-- y matemáticas

El cálculo infinitesimal es una herramienta científica y tecnológica de primer nivel: sin duda la más potente y eficaz para el estudio de la naturaleza que hayan desarrollado jamás los matemáticos. Lo que lo hace tan versátil es la gran variedad de procesos de toda índole, matemáticos, físicos, tecnológicos, económicos, biológicos, que se modelizan y resuelven usando el cálculo infinitesimal. Parafraseando a Galileo, se puede afirmar que el cálculo infinitesimal es el lenguaje de la naturaleza. Sin embargo, pocas personas conocen la gran versatilidad de los conceptos básicos...

Learn what it takes to be a community leader. This Spanish nonfiction book emphasizes the importance of local leaders and it includes a fiction story related to the topic, glossary, bonus activity, useful text features, and engaging sidebars. This 28-page full-color Spanish book describes the roles and responsibilities of various leadership positions. It also covers important civics topics like volunteerism and leadership, and includes an extension activity for grade 2. Perfect for the classroom, at-home learning, or homeschool, to explore communities, local government, and how individuals...

BRIMMING WITH THINGS TO FIND, COUNT AND TALK ABOUT, THIS CHARMING PICTURE BOOK PROVIDES HOURS OF PUZZLE-SOLVING FUN. READERS WILL DELIGHT IN DISCOVERING THE SECRETS OF THE SEA, WHETHER SPOTTING WHALES ON THE HORIZON, LOOKING FOR FISH IN A CORAL REEF OR SEARCHING FOR COINS ON A DEEP-SEA DIVE.

Learn how technology has improved lighthouses over time with this book that features a hands-on STEAM challenge and uses real-world examples to give insight into how the engineering design process is used to solve problems.

The Suicide Shop, set in a futuristic world, is about the Tuvache family who sells the means for people to kill themselves (ropes tied for hanging, poison in bottles, and more). Mishima, Lucrece, and their children Vincent, Marilyn, and Alan are in the business to help others, though they cannot personally use any of their products. When asked why not, their mother replies that Ive told you a hundred times: because its impossible. Whod look after the shop? However, the parents have tried out one item and greatly regret this decision for most of the book. You see, they tested a condom with a...