Preguntas y respuestas curiosas sobre... Ciencias

¿Qué pasó con la promesa de que la educación superior aseguraría nuestro futuro? En este esclarecedor libro, el antropólogo y doctor en Teoría Política Pablo Ortúzar desentraña la cruda realidad de la inflación de los títulos universitarios en Chile, un fenómeno que ha dejado a muchas personas desilusionadas y desencantadas. A través de un despliegue de cifras y datos impactantes, Sueños de cartón narra la historia de una progresiva devaluación de los certificados de educación universitaria, una degradación que se ha entrelazado con las abrumadoras deudas contraídas para...

Even as the world changes, skilled labor will always be needed. There's nothing quite like the ability to create things with your skills and your own hands. Carpenters use their skills to build things we use every day, including items such as furniture, buildings, and bridges. They read building plans, choose materials, design, and create. This book teaches kids that to become a carpenter, you have to use a lot more than a hammer and nails; you need your brain too. Photographs and diagrams enable readers to make key connections with the text.

Explains the importance of the skeleton in overall health, and describes how to keep the structure healthy.

Reveals the truth about cannibalism in pre-Columbian America, avoiding sensationalism and opting for historical accuracy on a matter that has been subjected to all sorts of misinterpretations as well as mistaken beliefs.