Universo Hawking

Where did the sunflower come from? How does it grow so tall? How can its thin stalk support such a large and heavy head? These and many other questions are answered in this dazzling book. Using lushly detailed illustrations and photographs, the book takes us inside the sunflower to examine its stem, root system, leaves, and flowering heads, proving an understanding of this unique plant's structure, growth, flowering, reproduction, and cultivation.

El presente trabajo indaga sobre la posibilidad que tienen los colombianos en Madrid, particularmente migrantes originarios de Pereira, departamento de Risalda, de plantear proyectos que aporten al desarrollo de sus zonas de origen. El colectivo colombiano epresenta uno de los más numerosos de entre los latinoamericanos en Madrid, únicamente superado por el ecuatoriano y, en últimas fechas, por el boliviano. (2) Aunado a ello, entre los andinos, los colombianos son los que comparten menos características en cuanto a su perfil sociodemográfico, y estrategias de salida —puntualmente en...

Lara Finch lives a lie. Everyone thinks she is happily married to the faithful Sam. She is actually super bored and misses working. Behind Sam's back, she takes a job in London. Twice a week she takes the sleeper train, where she meets Ellen and Guy. One Friday, Lara disappears from the train without a trace. Her friend Iris does not believe the official story she is told about the disappearance and decides to start her own investigation. Iris cannot believe what she finds out.

"A kindergarten-level introduction to polar bears, covering their growth process, behaviors, the habitats they call home."--