Identidad y ciudadanía

The morning of August 24, AD 79, seemed like any other in the Roman city of Pompeii. So no one was prepared when the nearby volcano Mount Vesuvius suddenly erupted, spouting ash that buried the city and its inhabitants. More than 1,700 years later, in 1748, explorers rediscovered the port city with intact buildings and beautiful mosaics. This easy-to-read account is gripping and includes photos of the ruins.

What better way to portray bioluminescent creatures of the sea, earth, and sky than in a glow-in-the-dark book? Scientific researcher María Emilia Beyer reveals the truth about these animals that produce their own light using special substances, as well as how they use this ability to search for food, defend themselves from prey, communicate, and find a mate. Readers will find eight species of bioluminescent plants and animals and can turn out the lights to see them in all their splendor--and read special hidden text!

la música del segle XX. Els assajos que componen aquest volum tracten de problemes inherents a la història de la música en les seves relacions amb la cultura, les ideologies i el pensament estètic del segle XX. I a la llum de l'evolució més recent es mostra que hi ha hagut gran multiplicitat d'experiències musicals vàlides. En els últims decennis s'ha pecat d'una sobrevaloració d'alguns corrents de l'avantguarda darmstadtdiana a obres de forta influència del pensament crític d'Adorn i de la seva escola. I aquestes reflexions són sempre d'extrema actualitat, de la solució de la...

Presents aerial photographs of various scenes from around the world including fishermen in Morocco, a farm on the island of Crete, and a mangrove forest in New Caledonia.