El Pacto Del Mayflower /

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

Una novela poderosa y sensorial, en la línea de El perfume de Patrick Süskind. Una lectura macabra, provocadora y compulsiva. Karl es un niño con un oído extraordinario que se siente abrumado por el ruido que tiene soportar al estar con más gente. Ya de bebé no soporta estar cerca del latido del corazón de su madre. Poco a poco, este niño peculiar que vive en el sótano y prácticamente no sale de casa, descubre que matar es la única manera de liberar a la gente de sus penas y preocupaciones. Matar se convierte en el mayor acto posible de amor y en la única manera de poder vivir en...

Learn about the many things humans can do to get warm when they are too cold. Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM fields. Perfect for English language learners, this Spanish book builds 1st grade students’ early literacy skills.

A thoughtful discussion of violence in schools, complete with examples of incidents and suggestions for coping.

I arrived in Medellin looking for Adrian, and I met Nahum, Hernan Dario, Jonathan, Victor Manuel, Fernando, Juan Esteban, Ruben Dario, Wilinton, Douglas, Jose Daniel, Angel Antonio, Julio, and Fabio. In Barecelona, I m Santiago, but here at the Jericho Lighthouse Foundation, I m Kaliman, the hero who listens to true stories of wounded, mistreated young men who had been banished from the good life. You can t erase the past, and picking yourself up is no easy feat. But the men at Faro are also Kalimans; they have left the streets, the drugs, and the scraping by behind to begin to look forward...