¿Quiénes gobiernan nuestro país? (Who Leads Our Country?)

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...

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

Children often wonder what they were like when they grew up in their mother's womb. Discover the magic and beauty of the beginning of life in nine three-dimensional illustrations of a baby in real size, month by month. This book is a great way to explain to children how their life was in their mother's womb and is the perfect gift for the arrival of a new baby.

Welcome to the only book that reveals all the secrets of a subject that nobody dares to talk about! How to clean your tail? Why does it smell so bad? Why does it make us laugh just to imagine it?