Water is a natural resource we need to survive. Knowing this, is it right that we have to pay for it? Readers explore the different ways ...
Are zoos ethical? There is not one right answer to this challenging question. Readers discover the different arguments that can be made in ...
Rubies have many different uses. They have been used in beautiful jewelry, ancient armor, and even lasers! How do people get these useful ...
Caribou?also known as wild reindeer?live in the cold, snowy tundra, where food is scarce. Their specially shaped hoofs help them walk on ...
Arctic foxes have developed special adaptations that help them survive in the unwelcoming tundra. In the winter, their fur is white; in the ...
Unlike other owls, snowy owls have feathers that cover their legs and feet to keep them warm in the freezing tundra. They have sharp beaks ...
The tundra is very cold and difficult for animals to survive in. The ones who live there have developed special adaptations to help them ...
Venus is the planet closest to us on Earth; in fact, it?s so close that it can be seen in the sky without a telescope! It looks just like a ...
Neptune and Uranus are sometimes called ?sister planets? because they are so similar. However, Neptune has stronger winds and more storms ...
