Bioética y tragedia humana (Con algunas reflexiones básicas sobre la vida y la m

Take a fascinating trip into the depths of Carlsbad Caverns and learn arithmetic patterns along the way. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn arithmetic patterns while engaged in reading about the various patterns that can be found in the miles of caves in Carlsbad Caverns National Park. The full-color images, math graphs and charts, and practice problems make learning math and language arts concepts easy and fun. The table of contents, glossary, and...

A 2014 report by the US Department of Education found that 22 percent of students ages twelve to eighteen had experienced bullying. This cogent narrative provides readers with supportive methods to help a friend who is being bullied and to promote a bully-free learning environment at school. Physical, social, psychological, and verbal bullying are examined, as well as cyberbulling. Readers discover the consequences of bullying both as a target and as a bystander. They also consider ways to intervene in a bullying situation, how to seek adult help, and how to be empowered and recover from...

This award-winning beginner's guide to the natural world of fish from the creators of the About... series was named an "NSTA Recommends" book. Noted educator and author Cathryn Sill uses simple, easy-to-understand language to teach children the basic characteristics of what fish are, how they swim, breathe, and reproduce, and explains the different ways they protect themselves from predators. With beautifully detailed, realistic paintings, noted wildlife illustrator John Sill introduces readers to the diversity of the fish population, from an Arctic char to a porcupine fish. An afterword...

«¡Sé plural como el universo!», reza un aforismo de Fernando Pessoa. Y así fue él como hombre y como poeta, de una multiplicidad única. A través de los autores a los que dio vida, como Alberto Caeiro, Ricardo Reis o Álvaro Campos, el poeta portugués consiguió hacer una personalidad, un heterónimo, de cada uno de sus principales contradicciones. En sus páginas dejó testimonio de una de las obras y vidas más intrigantes de la literatura del siglo XX. Ajeno a los mitos de la historiografía romántica, Ángel Crespo relata la trayectoria vital del personaje, en un viaje a la...