La rana que no sabía que estaba hervida...

Learn more about the renowned British scientist, professor, and author who spent his entire career trying to answer the question: "Where did the universe come from?" Stephen Hawking was born exactly three hundred years after the death of the scientist Galileo, so maybe it was written in the stars that he would become a famous scientist in his own right. Although he was diagnosed with a neurological disease at age 21, Stephen did not let the illness define his life. Known for his groundbreaking work in physics, and identified by his wheelchair and computerized voice system, Stephen continued...

Know Your NumbersFind the hidden numbers in these exciting counting books. Count by ones, twos, fives, and tens!

History is full of unsolved crimes, mysterious disappearances, and strange sightings. Readers will discover some of the most well-known mysteries in history--including Amelia Earhart, Big Foot, and the Salem Witch Trials--in this fascinating, Spanish-translated nonfiction book. Featuring detailed images, intriguing facts, and informational text in conjunction with a glossary of terms and an index, readers will be enthralled from beginning to end!

La física y la química son dos ciencias fascinantes e imprescindibles para comprender el funcionamiento del mundo que nos rodea, pero que a menudo no han conseguido ser bien entendidas por los estudiantes. El propósito de este atlas es presentar la física y la química de forma clara, amena e interesante, huyendo siempre que sea posible de la carga matemática y de las fórmulas que no sean imprescindibles. En la elaboración de este libro se ha hecho un importante esfuerzo por simplificar las explicaciones y evitar la sobrecarga de datos, aunque se han subrayado datos curiosos y...