Los estados de la materia — Los gases

From the water they drink to the trees they climb, kids are connected to the natural world in big and surprising ways. With simple, poetic text and exquisite artwork, this book does more than introduce kids to these connections. It sparks their imagination. It starts conversations, and it delights all ages. Combining the ideas of environmental author Elin Kelsey with the inventive three-dimensional dioramas of artist Soyeon Kim, this remarkable picture book reveals ties that are often sensed yet seldom explained. And in a world dominated by technology, never have these incredible connections...

Filled with tricks and treats, fun and food, Halloween is a day that children look forward to. At one time two separate festivals, the traditions of each gradually blended into the holiday we now celebrate on October 31.

En este número se analizan los significados e intereses sobre la celebración de los 500 años del descubrimiento de América, desde los dinamismos, mentalidades, estructuras y posiciones institucionales que siguen vigentes. (ITESO), (ITESO, Universidad)

Examines different kinds of relationships, discussing why they work and what to do when they do not work.