¿Por quién vota la gente? (Who Do People Vote For?)

Whether you call your January 6th celebration El Dia de los Reyes or the Feast of the Epiphany, you're celebrating a day dedicated to the three kings. Sometimes called the three wise men or the magi, these figures are part of the Christmas story and often appear in nativity scenes during this time of year. In some places, they're more important than Santa Claus. In this volume, readers discover the history of the three kings' story as well as how they are celebrated in cultures around the world today.

Los vikingos fueron unos marineros audaces y experimentados que mantuvieron en vilo todas las costas de Europa a lo largo de dos siglos, con sus incursiones en busca de tierras y de riquezas. También fueron buenos comerciantes y el primer pueblo europeo que inauguró la senda de los grandes descubrimientos geográficos. La parte más importante de su legado se conserva en los países escandinavos. Más allá de sus regiones de origen, la principal enseñanza que legaron los vikingos fue su capacidad de lograr grandes gestas con escasos medios materiales, a base sobre todo de arrojo y de...

Our closest solar system is about 10 light years away. It has two main types of planets. Some are rocky and small, like planet Earth, while others are huge balls of gas, like Jupiter. Learn about how astronomers once thought our solar system was the one and only, to how they have now discovered hundreds of stars with planets orbiting them, which means there could be billions of solar systems in outer space! Just maybe, these alien worlds could host life, like our own amazing planet. This book allows students to use observations of the Sun, moon, and stars to describe patterns that can be...

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...

Aprende y Descubre La Ciencia Co mo crece una semilla Co mo puede una pequen a bellota crecer hasta llegar a ser un gran roble? Este libro nos ensen a los secretos de las semillas. Le elo y aprendera s a transformar un sobre de semillas en un precioso jardi n.