¿Qué causó la guerra de Secesión? (What Caused the Civil War?)

Explores numbers and provides information about mathematical concepts including counting, adding, subtracting, and multiplying.

En cuanto a nuestra historia, hay que volver a interrogarla de un extremo a otro para entender por qué esa diferencia sexual no ha tenido su oportunidad. Ni empírica ni trascendental. Por qué le ha faltado una ética propia, una estética, una lógica, una religión, la realización macro- y microcósmica de su emergencia o de su destino. Sin duda tiene que ver con la disociación del cuerpo y el alma, de la sexualidad y la espiritualidad, con la falta de pasaje del espíritu, del dios, entre lo interior y lo exterior, lo exterior y lo interior, y su repartición entre los sexos en el acto ...

In this book, children learn how we can tell if something is shiny or dull and which materials have these properties.

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...