Desafíos matemáticos

The reflection that is presented in this book is born of direct contact with schools that have a multicultural public, its dialogue with the faculty and pupils of these schools, and of the queries raised by its research in intercultural education.

One of the skills employers want most in new hires is the ability to speak well. Public speaking can not only advance a person in almost any career but can also help an individual do better in school as well. Following the English Language Arts standards for Speaking and Listening, this book teaches readers why public speaking can be such an effective tool, how to craft a powerful speech, and how to overcome one of the most common problems people have with talking in front of a crowd�stage fright.

A young boy travels to China to learn about the people and culture of one of the world's most powerful nations.

Todo fenómeno biológico, como es la sexualidad, se explica por causas próximas (anatomía, fisiología, conducta y su desarrollo) y causas últimas (adaptación y evolución), ambas en interacción con el ambiente natural y social de cada especie, además del sociocultural en los humanos. Específicamente en humanos, muchos especialistas solo tratan de explicar la sexualidad por causas próximas y en términos de conductas conscientes e influidas solo por lo sociocultural, lo cual no es incorrecto, pero ello es solo parte de la explicación, no se acude a las interpretaciones evolutivas....