Un día de trabajo de un biólogo molecular (A Day at Work with a Molecular Biologist)

When we look up at the night sky you can see millions of stars, but what do you think we could see in space if we left Earth? If we could hop into a special ship and blast off, traveling billions of miles away from Earth, we’d see the Milky Way galaxy. In this book, readers take an incredible journey through that galaxy, exploring the universe and learning how it was formed and what will one day happen to these enormous groups of stars. From mysterious dark matter to the black holes at the center of galaxies, readers will also dive into the mysteries of the universe scientists have spent...

Home is where the heart is. And more and more people are learning to love living in tiny homes. Most tiny homes are less than 20 feet long. Although it may seem small, tiny-house owners feel right at home in these small spaces. Learn all about the tiny home movement as you learn to compose and decompose shapes. This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as...

"Breve explicación del propósito y uso de este libro. Antes que nada, lo primero que debemos dejar bien claro es que este Libro no es, en modo alguno, un diccionario lingüístico. Esto, que a simple vista pareciera ser contradictorio, ciertamente no lo es, ya que ni por su forma ni por su contenido ha pretendido regirse por las normas o modelos tradicionales de los diccionarios que todos conocemos y usamos; y porque además, siendo radicalmente honestos, no ha sido escrito por alguien que pretenda asumirse como lingüista (por lo menos, no un lingüista como algunos que conocemos ), ni...

Answers such questions as "Qué son los perros?, Qué come mi perro?, Qué mas necesita mi perro?, Qué puedo hacer por mi perro?, Qué puede hacer mi perro?"