Obedecer las reglas

Summarizes how water changes from a solid to a liquid and back again, and introduces related facts such as that water freezes at thirty-two degrees Fahrenheit and that ice floats.

¿Qué significa migrar? Descubra qué animales migran y por qué migran a través de fotografías detalladas y texto simple. What does it mean to migrate? Discover which animals migrate and why they migrate through detailed photographs and simple text.

Manifest Destiny the name given in the 1840s to a belief that the coast-to-coast expansion of the United States was both inevitable and justified, regardless of the means. Standing in the way were not only the native populations, but also the descendants of Spanish settlers who had lived in the Southwest for centuries. The racist belief that white men rightfully should expand their institutions into the area brought the United States into conflict with Mexico. War was declared in 1846, and by the time the Treaty of Guadalupe Hidalgo was signed in 1848, ending the war, the US had gained...

Ni casamenteras, ni amigas bienintencionadas, lo que se lleva ahora son los asesores de citas. Victoria Sachs es una periodista especializada en política internacional. Con la llegada del calor desciende el número de noticias, por lo que decide documentarse para escribir una serie de columnas ligeras para el suplemento de verano sobre un sector en auge: el del asesoramiento de citas.

The Hindenburg, the largest airship ever built and the pride of Nazi Germany, burst into flames over Lakehurst, New Jersey, in 1937. It swiftly fell from the sky and was incinerated. This incident is remembered as the most infamous airship accident, killing 36 people and sinking the dirigible transportation industry. Fascinated readers will explore why and how this giant hydrogen-filled ship was made and the reasons it may have been doomed to fail. They'll also learn conspiracy theories and surprising facts about the circumstances of the terrible disaster. Authentic photographs and thoughtful ...

Por las viejas calles y por los tranquilos canales de Venecia, se mueven unos curiosos seres envueltos en aires de misterio. Adoptan la forma de gatos, pero hay quien dice que en realidad son leones. Todos tienen un secreto que contar, una historia que puede llegar, enviada por el mar, a cualquiera de nuestras playas dentro de una botella de cristal.