10 cosas que puedes hacer para ahorrar electricidad

«Mi vida no me interesa en absoluto», solía decir públicamente André Malraux (1901-1976). Pero, de hecho, sólo le interesaba su vida, que concebía como una obra y que quizá sea su mejor novela. Así es como la aborda Olivier Todd , que en esta biografía exhaustiva la recorre sin complacencia ni agresividad, pero con la intención de que ninguna de las preguntas que suscita Malraux , como novelista, intelectual, político y personaje público, quede sin respuesta. ¿Fue realmente desgraciada su infancia, que él decía odiar? ¿Llegó a ser un revolucionario? ¿En qué sentido?...

What’s the difference between a seal and a sea lion? These “second cousins” of the sea look similar, but there are many ways to tell these creatures apart. From ear shape to the noises they make to communicate, seals and sea lions are amazing creatures with both shared features and many truly unique attributes. They both share an ocean habitat, but when readers take a closer look, it’s easy to discover how they each fight off predators, mate, and raise their young in different ways. Captivating full-color photographs help to bring these marvelous mammals to vivid life.

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

Describes where fossil fuels come from, their uses and forms, the harm they cause to the environment, and sources of renewable energy.