Inteligencia artificial: computadoras y máquinas inteligentes (Artificial Intelligence: Clever Computers and Smart Machines)

In 1991, preparation for the construction of a new federal office building led to a startling discovery: a skeleton. Further excavation exposed the bones of 420 men, women, and children. This area of New York had been a burial ground set aside for both free and enslaved Africans during the 1600s and 1700s. It’s thought to be one of the most important archaeological discoveries of the 20th century. This noteworthy book—which includes sidebars, fact boxes, a timeline, and maps—fills in the gaps of history books, exposing much about what life was like in colonial New York for Africans.

En medio de la naturaleza descansaba una piedra. Y la piedra era muchas cosas, dependiendo de quién la miraba y visitaba. Podía ser un refugio o esconder mortales peligros. Podía ser un lugar de reunión o un trono para sentarse. Podía ser infranqueable o insignificante. Pero lo importante es que ahí donde descansaba, pasaba la vida. En este álbum ilustrado que recuerda a autores como Lane Smith o Philip C. Stead, Brendan Wenzel permite que la naturaleza fluya alrededor de una única piedra y convierte su poema en una pasarela exquisita de animales, plantas, estaciones y cambios de...

Based on the premise that all young people should learn to make decisions, respect themselves, and resolve challenging problems, this book is a self-help guide for adolescents to develop positive thinking, high self-esteem, and personal power. Exercises guide readers through learning about their own feelings, dreams, and needs while stressing that they are responsible for their own behavior and happiness. Situational anecdotes used to enhance the discussion are age-appropriate and relevant to children. Writing and keeping a journal are encouraged, and group exercises make the book useful in...

En este cuaderno se vuelven a estudiar las grafías de los fonemas /z/, /k/, /g/, /j/, /ll/, /y/. Se estudian también diversas palabras con h y con b. También aprenderás la regla «ante consonante b», en palabras con sílabas que comienzan por bl y br.