Cómo tocar la guitarra bajo

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Louis Pasteur, Carlos Juan Finlay, Lynn Margulis, Margarita Salas, Jean-Jacques Muyembe, Francis Mojica, Katalin Karikó... Científicos y científicas que han cambiado nuestra vida son los protagonistas de este emocionante recorrido por la historia de la ciencia. Hoy todos conocemos la vacuna contra la covid-19, pero nadie se tomaba en serio a Katalin Karikó, la científica que la hizo posible, cuando empezó sus investigaciones. Igual que ella, los cazadores de microbios a lo largo de la historia se han enfrentado a menudo a la incomprensión y la indiferencia. Armados tan solo de...

Christopher Columbus most likely wasn’t the person to discover the Americas. He wasn’t even the first European to do so! Despite that, his three trips to the Western Hemisphere led to many more European explorers heading in that direction. In this volume, readers familiar with Columbus’s travels on the Nina, Pinta, and Santa Maria can learn who Columbus was beyond his travels. Supported by full-color and historic images, interesting main content turns what readers think they know about the life of Columbus on its head while expounding on an important period in the history of the world.

Introduce little ones to the vowels through the help of La Catrina in both English and Spanish! Don't forget to round out the o for ofrenda, and carefully sound out your i for iluminación just in time to light the way to the celebrations. Inspired by one of the strongest icons of Día de Muertos or "Day of the Dead," this book introduces little ones to the vowels in both English and Spanish - and teaches them to recognize them by the sound they make! This book is perfect for parents to guide their little ones through the vowels in both English and Spanish, as well as introduce them to the...