Kolmogórov

La saga de los Bernoulli, una familia burguesa de comerciantes y farmacéuticos, está repleta de fascinantes historias de aventuras migratorias, de desafíos intelectuales y sobre todo de mucha matemática. La época en que se desarrollan los acontecimientos narrados está impregnada de un pensamiento humanista y renovador. El ritmo de desarrollo de la ciencia en esta época se acelera. La solución de problemas científico-técnicos se convierte en asunto de importancia estatal. El dominio de los recursos del nuevo cálculo creaba una sensación de posibilidad de resolución de semejantes...

En una edad de tinieblas, donde la vida cotidiana discurre a menudo entre hechizos y ensalmos, cualquiera puede pasar por brujo. La sabia ironía de Ángeles de Irisarri conduce estas seis Historias de brujas medievales, uniendo a su proverbial sentido del humor la construcción de un universo propio en el que las a veces mal llamadas brujas no dejan de ser mujeres de carne y hueso.

Dar las gracias (Giving Thanks) uses intriguing primary sources to teach students about the first Thanksgiving along with modern-day celebrations of Thanksgiving. The clear, descriptive images and simple phrases will engage students in reading and build their social studies content knowledge. For use in the classroom or at home, this Spanish book includes a simple glossary and index to introduce informational text features to young readers and provide additional reading support.

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

What do lions do? Let's find out! In this book, young learners ages 0-3 can explore facts about these amazing animals in both Spanish and English. These appealing board books are illustrated with vibrant photos, presenting simple facts about a variety of wild animals. Side-by-side English and Spanish text lets children and caretakers compare words in two languages. This series is perfect for building early bilingual literacy skills!