Prótesis sobre implantes

George Washington Carver was a skilled botanist who became famous for his work with peanuts and other plants. Readers will discover the captivating life of this incredible scientist in this engaging scientific biography translated in Spanish. Using colorful photos and graphs, children will learn why Carver was known as "The Plant Doctor" as a child and how his work with peanuts, sweet potatoes, and pecans helped change the way people used plants! The helpful glossary and index aid in better understanding of the content, while a simple, interesting experiment leaves Spanish-speaking children...

Una edición española ¡Si ese hombre puede volar, yo también puedo! En una animada calle en la encantadora ciudad de París, una joven llamada Aída miró hacia el cielo y se quedó maravillada ante la vista de un dirigible. ¡Cuánto le gustaría surcar el cielo de esa manera! El inventor del aparato, Alberto, la invitó a dar un paseo en su dirigible, pero Aída no quería viajar como pasajera. Ella quería ser el piloto. Aída era apenas una adolescente, y ninguna mujer o joven había volado antes. Pero eso no la detuvo. Todo lo que ella necesitaba eran algunas clases y una oportunidad. ...

Winning the American Revolution was just the first step. After defeating Great Britain, the American colonies were united in name only. How would this independent nation be governed? During the summer of 1787, representatives went to Philadelphia to solve the problem. The result, the U.S. Constitution, created a new government, establishing the foundations of a free nation and setting a new course for history.

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...