Cristiano Ronaldo

Born in Warsaw, Poland, on November 7, 1867, Marie Curie was forbidden to attend the male-only University of Warsaw, so she enrolled at the Sorbonne in Paris to study physics and mathematics. There she met a professor named Pierre Curie, and the two soon married, forming one of the most famous scientific partnerships in history. Together they discovered two elements and won a Nobel Prize in 1903. (Later Marie won another Nobel award for chemistry in 1911.) She died in Savoy, France, on July 4, 1934, a victim of many years of exposure to toxic radiation.

"Un libro elegante en forma y fondo, con una temática que se ha explorado muy poco en los libros para niños. Hay seres tan pequeños que no es posible verlos a simple vista. Aunque están por todos lados, desde el fondo marino hasta las sábanas, Ésólo podemos observarlos a través de un microscopio! Este libro pone al alcance de todos el misterioso universo de los organismos unicelulares, los protozoarios y los paramecios. En cada página doble éstos crecen hasta 150 veces y nos muestran sus poblados ecosistemas microscópicos. Los autores describen, con un lenguaje científico preciso...

Read Along or Enhanced eBook: Welcome to Canada! From its majestic mountains to its exciting sports, readers are invited to explore what makes Canada so special in this exciting, Spanish-translated nonfiction title! With informational text, fresh vocabulary, and engaging maps, readers will be engaged from beginning to end.

Texas has had some extraordinary people. This book covers some of them, such as Melinda Gates, astronaut Shannon Walker, and Bessie Coleman, the first African American female pilot. Age-appropriate text teaches readers about Texas's most important movers and shakers, while historical and contemporary images reinforce the book's key concepts.