Calendario Maya : el gran ciclo de la Cuenta Larga

Bienvenido a Dinosaurium. Nuestro museo está abierto a todas horas. Sus salas albergan una extraordinaria colección de criaturas del Mesozoico, desde el pequeño troodón hasta el gigantesco braquiosaurio. Aprende cómo evolucionaron los dinosaurios y por qué unos tenían plumas y otros, escamas. Entra y explora el reino de los dinosaurios en todo su esplendor.

Throughout history, women were kept in the home and out of the workplace. Over time, however, women began breaking out of their traditional roles and entering spaces traditionally occupied by men—including the boardroom. This biographical text looks at the lives of the fascinating females who broke barriers in business. Coco Chanel, Estee Lauder, Oprah Winfrey, Melinda Gates, and Sheryl Sandberg are just some of the groundbreakers covered in this text. Age-appropriate text, colorful visuals, fact boxes, and a comprehensive timeline complete the learning experience.

Explains the importance of good manners and describes ways to show politeness in the home, school, and community.

A little child asks the "big question" (grande question) that is never formulated: why are we on earth? and get answers from different people.