Detrás de escena

There is a contest at a school to design a new playground. The students use blocks to build their models. As they build, they use three-dimensional shapes. Some students build a train out of blocks for the younger students to play on. Can you guess which three-dimensional shape they use for the train's wheels? Read to find out which design wins.

Cuidar a sus niños siempre ha sido la mayor prioridad de Woody, pero cuando el juguete que creó Bonnie cobra vida las cosas se ponen un poco extrañas. Durante un viaje familiar, Woody, Buzz y los otros juguetes tienen que convencer al nuevo juguete, Forky, de que es tan importante para Bonnie como el resto. A lo largo del camino, nuevos y viejos amigos ayudan a Woody a descubrir lo enorme que puede ser el mundo una vez que abres tu corazón y tu mente.

Discusses the discovery and escavation of King Tutankhamen's tomb and the myth of the curse that seemed to afflict those involved in the tomb's exploration.

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