Diversión y juegos: A tiempo para la feria: Medición del tiempo (Fun and Games: Clockwork Carnival: Measuring Time)

How does a frog grow? Beginning as a tiny egg and then a tadpole, a frog stays mostly in the water until it is fully grown.

Javier de Montcada hubiera muerto en la batalla de Brunete si Soledad, duquesa de Simancas, no le hubiera donado su sangre en el mismo campo de batalla. Tras reponerse de sus heridas, Soledad, casada con el representante del bando nacional en el Vaticano, lo seduce en su dehesa. Pero la guerra no ha terminado y Javier debe volver al frente. Una novela apasionante. Un gran fresco histórico.

It was September 14, 1814, and America and Great Britain were at war. Frances Scott Key watched from the deck of a British ship, where he was being held captive, as cannons exploded around them. After 25 hours, the fighting ceased and Key peered through the clearing smoke, looking for some sign as to the outcome of the battle. Was the American flag still flying? His wartime experience inspired Key to write a poem, which was later set to music and became America’s national anthem. This book tells the story of the inspiration behind our national anthem, which helped transform the flag into a...

This work narrates the meeting of two young students who in a chance chat, begin to play with stars and numbers and learn about physics, chemistry and astronomy. They learn that science is in everyday life so that we imagine it is not a restricted area, only for the geniuses, but a tool, a way of life, a passion.