Migración (Migration)

Desde los lagos hasta las nubes, hasta la lluvia que cae de nuevo a la Tierra, descubra cómo el agua cambia a través de diversos procesos para formar el ciclo del agua. From lakes, to clouds, to rain that falls back to Earth—discover how water changes through various processes to form the water cycle.

Estás a punto de embarcarte en una fantástica travesía por la historia de los robots. Los robots han formado parte de nuestras vidas desde hace más tiempo del que quizás imaginas. Su origen es fruto del eterno impulso del ser humano de crear vida artificial para trabajar, medir el tiempo, observar el universo o crear música, entre muchas cosas, y su evolución es continua y cada vez más rápida. A lo largo de este extraordinario viaje conocerás a todos los robots residentes de Robotland, tanto a los habitantes más modernos como a sus antepasados más primitivos o, incluso, a los que...

Introduces things to eat and drink that are white, from rice to milk. The book ends with a recipe that a child can make with an adult's help.

When Vladan Borojevic googles the name of his father Nedeljko, a former officer in the Yugoslav People's Army, supposedly killed in the civil war after the decay of Yugoslavia, he unexpectedly discovers a dark family secret which recollects the events of 1991. Seventeen years later, Vladan's discovery that he is the son of a fugitive war criminal sends him off on a journey around the Balkans to find his elusive father. The story of the Borojevic family strings and juxtaposes images of the Balkans past and present, but mainly deals with the tragic fates of people who managed to avoid the...

Examines the nature of inclined planes and wedges, how they can reduce the amount of force necessary to perform work, and ways in which they are used.