Cobayos

Lyndon B. Johnson was born in Texas in the early 1900s. This appealing biography has been translated into Spanish and highlights Johnson's life as he represented Texas in the United States Congress for 24 years and became the 36th President of the United States. Through engaging images, intriguing sidebars and facts, easy-to-read text, and a supportive glossary and index, readers will learn about interesting topics such as the Higher Education Act, Voting Rights Act, Minority Whip, and the Vietnam War. Readers will be eager to learn more about Johnson's fascinating life as they move from...

Provides information on the tiny reptiles, including their use of color as a defense, their climbing skills, and their ability to grow back a missing tail.

Imagine being lost and stranded in the desert. Would you know what to do to survive? This useful Spanish-translated nonfiction title explains the important skills needed to survive in the desert. With helpful diagrams and images, definitions, tips and instructions, informational text, a bibliography, and a list of other helpful websites, readers can be assured that they will learn about the dangers of heat exhaustion, desert plants that could aid in survival, and other helpful tips in order to survive in an emergency.

El carácter de Kolmogórov se forjó en una época de revoluciones sociales y guerras mundiales. Vivió el estalinismo, la posterior rectificación de errores y el inmovilismo que luego daría paso a la perestroika. Aunque siempre se consideró a sí mismo un matemático puro, una parte esencial de su obra fueron sus investigaciones aplicadas a otras ciencias. Sus esfuerzos estaban regidos por una idea clara - discernir las diferencias y similitudes entre orden y caos. Mucho más que cualquier otro matemático, amplió los dominios y la comprensión humana del azar. Reinó en una escuela...