Luz Y Sombra

"Simple text and photos present the seasonal weather cycle and activities to do in each season"--Provided by publisher.

Presents the things that everyone needs, as well as things some people want, and invites the reader to consider his or her own wants and needs.

Bloomsbury Scientists is the story of the network of scientists and artists living in a square mile of London before and after the First World War. This inspired group of men and women viewed creativity and freedom as the driving force behind nature, and each strove to understand this in their own inventive way. Their collective energy changed the social mood of the era and brought a new synthesis of knowledge to ideas in science and art. Class barriers were threatened as power shifted from the landed oligarchy to those with talent and the will to make a difference.

En el mar, el hombre tiene el privilegio de contemplar un paisaje antiguo pero en él se siente realmente un extranjero y descubre que su huella es efímera y ridícula. En épocas de cambios como la que vivimos, aún es posible atisbar retazos de otra mane

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...

Civil rights leaders are people who make sure that the laws of the United States are fair for everyone, regardless of their race, religion, or gender. One of the most influential men of our time was Dr. Martin Luther King, Jr. EL DIA DE MARTIN LUTHER KING, JR.—HONRAMOS A UN HOMBRE DE PAZ is a Spanish-only edition discussing the man behind this day.