Pantalones nuevos, ¡no! (No New Pants!)

Hop, hop, hop! Skip, skip, skip! Run, run, run! There's a boy who loves to hop -- high and low, forward and backward. And another one who loves to skip -- over the fields, in town, all around. There's a girl who loves to run -- as light as a feather and as fast as the wind. What happens when they all head to the same place?

Hopping, skipping, and running prove to be fun but tiring activities, so maybe it is best to have a rest.

Humans and animals can also make a great team working together. See how horses and the officers who ride them work together to keep our streets safe.

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

Hoy no hay palomitas cuenta la fascinante aventura de Rita, una niña tan curiosa como un detective, que no se apoca por nada y que es capaz de descubrir un gran misterio de la naturaleza. Este cuento, entretenido y divertido, te enseñará sobre la importancia de la tierra, la lluvia y el sol para la vida, y sobre el peligro de la degradación de los suelos…

En el mar, el hombre tiene el privilegio de contemplar un paisaje antiguo pero en él se siente realmente un extranjero y descubre que su huella es efímera y ridícula. En épocas de cambios como la que vivimos, aún es posible atisbar retazos de otra mane