Bolitas y palitos

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...

Students will develop their geometry skills as they study the geometric shapes of modern art and read about the innovative artists who turned the art world upside down. This Spanish book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach geometry concepts. Text features include a glossary, an index, captions, and a table of contents to increase students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, math charts and diagrams, and sidebars provide many opportunities for students to practice...

Del bullir y la sed (Prólogo) Como lector y escritor de versos, no como crítico, que no lo soy, es que me atrevo a hablar de Semántica de un tornillo enamorado, de Luis Perozo Cervantes, libro armado con tres en cierto modo plaquettes relacionadas entre sí (situaciones, se advierte, teórica, metafórica y poemática), donde el joven autor, de carácter a mi ver ciertamente expansivo, da suficiente muestra de a la vez sentido de contención, humor, retórico y, con su indispensable ironía, dados los tiempos, de lo romántico –o del romanticismo en sus varias acepciones. Para una...

Lentas aguas estivales pasan ante los ojos de quien la tímida orilla pasea. Entretanto, barcas, hojas tiernas, alguna flor, la mano abandonada de un navegante, surcan el río. Efímeras ondas aparecen. Y así, el Támesis, en la plácida tarde, sostiene sin descanso la esperanza.