El trencaclosques de la granja

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...

«Para conocerme tienes que volar conmigo. Siéntate. Yo, en el pasillo. Tú, atrapado por la ventanilla. Para ti yo soy un estereotipo, un charlatán». Ryan Bingham trabaja como Asesor de Transición Laboral, ayuda a la gente que ha perdido su empleo a entenderlo como una oportunidad para el crecimiento personal y espiritual; es decir, él es una mano ejecutora de recortes de plantilla. Este empleo le ha mantenido viajando durante años de aeropuerto en aeropuerto, hasta el punto de que le encanta el estilo de vida que lleva en «Mundo Aéreo», como él lo llama, un lugar fuera de lo...

Explores numbers and provides information about mathematical concepts including counting, adding, subtracting, and multiplying.

Few natural forces seem as much like magic as magnets. Perhaps that’s why magnets are so fun! Young scientists will love learning about amazing magnets, both natural and man-made. They’ll discover how magnetism is harnessed to help us in many ways. This STEM-supportive volume contains comprehensible text and photographs of students and scientists utilizing magnets. It also includes a simple, fun concluding activity to encourage readers to use this super science tool themselves.