Flora Y Tecla / Milly and Tilly

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...

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

¡HEY! Tenemos tres noticias: Primero, la mala: a esta edad surgen tantas dudas que tus neuronas explotan como palomitas de maíz. Luego, una peor: si le preguntas a tu familia, seguramente se pondrán tan nerviosos que van a salir corriendo. Por último, la buena: en este libro encontrarás información sobre tu primera cita con la ginecóloga, tatuajes, la copa menstrual, bras, qué hacer cuando tienes un crush, la comunidad LGBTI+, sexualidad, cómo luchar contra el machismo, lo increíble que es ser tú misma y otros temas de los que hasta tus papás van a aprender un montón. Es más,...

From Mexico to the tip of South America, Latin America features varied scenery, including deserts, grasslands, plains, and mountains. Some are extreme: The Andes is the world's longest mountain range, and the Atacama Desert has not had rain for over 400 years! Latin America's remarkable landscape is an essential factor in its surprisingly different climatic zones. This insightful volume offers a comprehensive tour of the many vibrant countries of this fascinating region, highlighting its most striking areas in vivid photographs. It is also an inviting exploration of geography, natural...