Roc y la salud

Healthy Habits is a collection of four stories featuring the Chiminis, fictitious characters that live in the forest and are as small as pine cones. In each story, one of the Chiminis has an adventure that highlights the importance of hygiene, a good diet, and exercise, and offers general health advice.

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...

Each book in this series looks at how to say colours in a different modern foreign language, with each spread within the book covering a different colour. This book looks at the colours in Spanish. Text on each page is in both English and Spanish, and simple, labelled photographs provide additional support. A "dictionary" at the end of each book gives all the words featured in both Spanish and English, and also includes a pronunciation guide.

Our senses help us discover things at the beach. Learn what you can hear, see, smell, and touch at the beach. Paired to the fiction title Wally and Molly Go to the Beach.

Dams change the landscape, providing reservoirs of freshwater and even producing electricity. Discover the engineering behind dams.