¿Cómo éramos en la Prehistoria?

Ice cream is a solid. But when it melts, it becomes a liquid. Solids can change to liquids and back again by melting and freezing. Read this Spanish-translated book to learn what happens when heat and cold and solids meet.

Offers encouragement and practical advice for meeting challenges head on, with words of inspiration and fun, reminding girls to be who they are.

El Diario de Witold Gombrowicz no recuerda en nada a los estereotipados diarios de escritor, es decir, a las obras que desempeñan el papel de crónica de los acontecimientos de la vida de un artista, de dietario intelectual. Este diario es una obra literaria en pleno sentido del término, considerada por muchos expertos como el mayor logro de su autor. Creado en el espacio de dieciséis años, el Diario fue construido conscientemente; cada uno de sus capítulos constituye un todo elaborado primero para su publicación en la revista mensual Kultura y modificado posteriormente para pasar a...

A foundered Victorian ship looking for the fabled Northwest Passage holds a secret in its icy grave... When Dirk Pitt of NUMAr is almost blown to pieces in a lab explosion, he suspects sabotage. The lab in question belongs to a scientist hoping to use a rare mineral to combat greenhouse gases - but who would want to destroy our one chance to save the planet? However, there are those who will do anything to control such a valuable prize. Pitt's investigations take him to the Arctic in search of a clue to the origins of this precious mineral. There he and NUMAr colleague Al Giordino must battle ...