La energía

Venerado y vilipendiado a un tiempo, Lobachevski se cierne imponente sobre la matemática del siglo XIX. Al igual que sucede a la mayoría de los mitos, el Lobachevski real está oculto por capas de negligencia y desconocimiento. Su fantástica obra, argumentaban muchos, no era otra cosa que herejía matemática, una senda falsa. Lobachevski es una personalidad abrumadora, un soñador empedernido, un hacedor de mundos imposibles pero reales. Lobachevski es, para muchos, una persona desconocida. Este libro cuenta la historia de un hombre sencillo, pero sagaz, obstinado y profundo desde el...

Introduces fruits, uses simple comparisons to explore this group, and offers suggestions for healthy eating.

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.

Inspired by the #1 New York Times bestseller She Persistedby Chelsea Clinton and Alexandra Boiger comes a chapter book series about women who stood up, spoke up and rose up against the odds! Sonia Sotomayor is the first Latina Supreme Court Justice in the history of the United States, but her road there wasn't easy. She overcame many challenges along the way, including a diagnosis of diabetes at age seven. But she didn't let that stop her from achieving her dream and inspiring children all over the world to work hard and believe in themselves. In this chapter book biography by award-winning...