Las 7 maravillas del mundo antiguo

Francisco Bernardone nace en una familia rica, en un mundo en que la mayoria nada tiene. Como los jovenes de su circulo, vive de fiesta en fiesta. Hasta que poco antes de cumplir los veinte anos algo lo llama y deja todo: fortuna, herencia y un modo de viv

On some days, seven-year old Julie feels like she's living in a Fun House. Hers is a topsy-turvy world where the toaster sprouts a toothbrush, and a watermelon gets dressed up in pink underpants for Fourth of July! But on other days, Julie struggles with understanding why her Halloween trick-or-treating got cancelled, or why Grandma can't remember her name. Julie is struggling with understanding her grandmother's Alzheimer's disease. Authors Max Wallack and Carolyn Given believe that no child is too young to learn about this disease, or how to participate in providing safe care for their...

What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental concepts, discover how you work, and how simple machines make doing work easier.

Discusses the Gila monster, including what it eats, how it reproduces, and how it adapts to its environment.