La física en la medicina, II

In the 1930s a band of smart and able young men, some still in their twenties, helped Franklin D. Roosevelt transform an American nation in crisis. They were the junior officers of the New Deal. Thomas G. Corcoran, Benjamin V. Cohen, William O. Douglas, Abe Fortas, and James Rowe helped FDR build the modern Democratic Party into a progressive coalition whose command over power and ideas during the next three decades seemed politically invincible. This is the first book about this group of Rooseveltians and their linkage to Lyndon Johnson's Great Society and the Vietnam War debacle. Michael...

In the beginning, Earth was an inhospitably alien place―in constant chemical flux, covered with churning seas, crafting its landscape through incessant volcanic eruptions. Amid all this tumult and disaster, life began. The earliest living things were no more than membranes stretched across microscopic gaps in rocks, where boiling hot jets of mineral-rich water gushed out from cracks in the ocean floor. Although these membranes were leaky, the environment within them became different from the raging maelstrom beyond. These havens of order slowly refined the generation of energy, using it to...

Este libro te ayudará a construir los mejores aprendizajes y herramientas para que los apliques dentro y fuera del aula, proporcionándote así una mejor calidad de vida y un excelente desarrollo personal y profesional.

Charles Darwin sentó las bases para una interpretación nueva del reino animal y vegetal y su historia pasada, presente y futura, demostrando que todas las especies provienen de formas anteriores. Su óptica científica, fuertemente cuestionada en su tiempo, condujo a la comprensión de que nuestra propia especie no escapaba a la regla general y que el hombre, que pomposamente se denomina a sí mismo como Homo sapiens (“el hombre sabio”), en realidad proviene de ciertas variedades de simios que evolucionaron hace millones de años en África oriental. Los Textos Esenciales que aquí...