Experimentos para todas las edades

In an online world where the amount of information seems to increase exponentially even week to week, student researchers can find it an ever-greater challenge to distinguish credible, vetted content from hearsay and misinformation. This book on citing internet sources will help them determine which online sources are trustworthy and which are not. Its lively and engaging instructional tips will help readers successfully negotiate the vast landscape of information out there. They will produce quality research for papers now and beyond in their academic careers with skill and confidence.

Más de 15.000 especies de plantas y animales están en peligro de extinción. Este atlas enciclopédico muestra las razones de esta desaparición y presenta algunas de las medidas que están tomando diversas organizaciones para evitarlo.

Ángeles Caso rastrea la vida de todas esas mujeres excepcionales que precedieron a las creadoras del mundo actual y que sufrieron la hostilidad hacia la cultura femenina. Mujeres como Hildegarda de Bingen, consejera de papas y emperadores, o Aphra Behn, dramaturga y espía en la Inglaterra de la Restauración, pueblan estas páginas para reivindicar una vez más su lugar en la Historia.

Think there's just one fairy tale with an overworked girl and wicked stepsisters? Think again! Cultures all around the world have their own Cinderella stories. Visit Canada, China, Egypt, and France, and find out whose "glass slippers" are made of red silk, and whose "fairy godmother" is a fish. Fully translated Spanish text.