El gato

Martinho y su familia son unos emigrantes portugueses que llegan a Mallorca buscando una vida mejor, pero no les resulta fácil. Martinho conoce la dura labor de vender por las playas refrescos y frutas a los turistas, o la vergüenza del robo, los malos tratos y la incomprensión.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

For those who enjoy unconventional solutions, the author offers a wide range of all-time paradoxes that defy your deductive and calculation skills with impossible logical truths, and helps you to learn how to overcome the traps of false truths.

A community center has many exciting activities to choose from. You can play games, swim, and even learn how to cook there. As you read, you can compare the size of a tennis racket to a ping pong racket, use cubes to measure the world's smallest snake, and even use feet to measure the length of a basketball court. What would you use to measure a snake?