El árbol generoso

Aisha, el caballo más veloz del mundo, fue robado por un terrorista experto en genética, quien adelanta escabrosos experimentos de clonación no solo con animales, sino también con humanos. Su labor se escuda en una reconocida firma de investigación que compite en la carrera científica por descifrar la clave de la vida: el genoma humano, labor en la que también está empeñado Dan, un prestigioso genetista de la Universidad de Miami, amigo de la tía Abi y de los chicos aventureros. En compañía de Dan, este grupo conocerá los avances de la ingeniería genética, ciencia que permite...

Explains The Early History Of How The Bill Of Rights Came To Be And How It Is Used To Protect Citizens.

Rudy can't find his favorite sweater. He's looked everywhere: inside the house, outside, and in the apartments upstairs and downstairs. In the kitchen, in the bathroom, here, there . . . where could it be? This enchanting story has flaps, pages with cutouts, and numbers to count.

Algorithms might sound like a complicated tech term, but don't be intimidated, people actually use them every day. Using accessible language and full-color photographs, this book simplifies algorithms in an easy-to-understand way. Readers will be amazed to learn that an algorithm is just a set of steps for computers to follow to get things done. STEM topics from the Next Generation Science Standards are emphasized throughout the text. Sidebars featuring key terms help readers grow their tech vocabulary, and fact boxes provide additional opportunities to learn.