Thomas Jefferson no firmó la Constitución (Thomas Jefferson Didn't Sign the Constitution)

Grouping and classification are among the first math and science skills that children need to learn. This fun book will challenge children to observe natural creatures to see what makes them the same and different. It presents an interesting way of looking at objects, because the objects may not be exactly the same. For example, birds have two wings, but the wings of different birds may not look similar.

Primero fue el acertijo y, cuando este se arropó con el verso, nació la adivinanza. Ambos coinciden en formular una pregunta ingeniosa, pero se diferencian en el lenguaje empleado, porque el acertijo se expresa en prosa, y la adivinanza en verso. Efectivamente, el acertijo se expresa en una prosa espontánea, racional, objetiva, abierta a todos los temas y crítica; mientras que la adivinanza se expresa en verso, en un lenguaje más elaborado, pictórico y musical, que resulta, ante todo, intuitivo, subjetivo, circunscrito a la creación estética, y pertenece a una literatura mucho más...

Bloomsbury Scientists is the story of the network of scientists and artists living in a square mile of London before and after the First World War. This inspired group of men and women viewed creativity and freedom as the driving force behind nature, and each strove to understand this in their own inventive way. Their collective energy changed the social mood of the era and brought a new synthesis of knowledge to ideas in science and art. Class barriers were threatened as power shifted from the landed oligarchy to those with talent and the will to make a difference.

Nueva edición del diccionario más completo de la lengua española - 95.840 entradas y 171.930 acepciones.