"¡No te quedes mudo!"

The Importance Of Plants And Our Dependence On Them Not Only For Food But Also For Our Clean Air And Water Are Discussed In This Title. How Crops And Plants Have Been Genetically Modified To Resist Disease And Insects. The Impact Humans Have On Our Earth And What We Can Do To Reduce The Use Of Our Nonrenewable Resources Are Discussed.

Think there's just one fairy tale with a girl who meets danger in disguise? Think again! Cultures all around the world have their own Little Red Riding Hood stories. Visit Germany, Italy, and Taiwan, and find out whose "sick grandmother" is a tiger, and who is saved not by a "kind hunter" but by a talking river. Fully translated Spanish text.

This book introduces you to hippopotamuses, including their size, diet and everyday behavior, which highlights differences between those in the wild and those living in a zoo habitat.

La historia de la ciencia no es ni más ni menos que la historia de nosotros, los seres humanos, tratando de entender y explicar el universo que nos rodea. Y, como nosotros mismos, es contradictoria, misteriosa, intrigante, traicionera, ambiciosa, valiente y, por momentos, insólita. En este libro vas a conocer a personas curiosas, perseverantes, observadoras, testarudas e ingeniosas, y vas a acercarte a los caminos que las llevaron a descubrimientos increíbles, errores catastróficos y, sobre todo, a hacerse nuevas preguntas. La historia de la ciencia está llena de sorpresas, personajes y...