Los árboles nos dan deliciosas manzanas, pero también ayudan a construir casas. Uno de estos es natural, el otro hecho por el hombre. ¿Puedes identificar el recurso natural? En...

Weather changes daily. Sometimes it can even change from one moment to another—like a sudden storm. Weather affects our daily lives from what we wear to what outdoor activities...

Teeth come in all shapes and sizes, just like their animal hosts. Some teeth are sharp to grab prey and tear apart the meat. Other teeth are flat to chew plants and some animals...

Los dientes vienen en todas las formas y tamaños, al igual que sus anfitriones animales. Algunos dientes son afilados para atrapar presas y arrancar su carne. Otros dientes son...

El tiempo cambia diariamente. Algunas veces incluso puede cambiar de un momento a otro - como una tormenta repentina. El tiempo afecta nuestra vida diaria, desde lo que vestimos...

When a young river otter sneaks into a zoo, she wonders if she should be more like some of the other animals she meets. She wants a trunk like the elephant or to be loud like the...

¿Te gustan las búsquedas del tesoro? ¿Cómo sabes si el agua de un arroyo está limpia y saludable? Acompaña a Lucas y a su hermana mientras hacen de científicos en...

What would it be like to live as a dinosaur? Young readers will discover that dinosaur lives had many similarities to present-day animals: they hatched, ran, hunted, hid from...

Colo the cougar and her friend Ruff jump and play together, but they find that Ruff can’t jump nearly as far as Colo. Ruff doesn’t have a long, swishy tail like Colo does, to...

Noses come in all kinds of shapes and sizes that are just right for its particular animal host. Not only do most animals use their noses to breathe but for many animals, the sense...