If you have a pet, you probably take it to a veterinarian for vaccinations or to take care of injuries or illnesses. In cities, veterinarians mostly take care of animals […]

In your classes, you likely learn about ideas like sustainability. You know about the importance of recycling and other practices that help to preserve the natural world. An environmental education […]

Cleaning up a mess can be a dull job, but living with dirt and garbage is much worse than that. Have you ever smelled a piece of rotten fruit or […]

When you look at a street full of traffic, you might think that no one is in charge and that people just drive wherever they want. However, the way that […]

Suppose that you wanted people to know something about you, such as a skill or an interest, or even to explain why you acted a certain way. You could tell […]

Libraries are full of interesting and informative books, DVDs, databases, and other materials. Before anyone can use these materials, someone must organize them so that people can find what they […]

Communicating with someone else in person is normally easy if the two people speak the same language and are close enough to hear each other. When people communicate through technology […]