Discover what smoking does to one's body with a detailed reference page that points out the types of cancers and chronic diseases that can occur when using tobacco products. 

Drafting a strong first sentence for a summary is an important step. Writers can use the formula presented on this handout to get started. The resource lists three steps to put together a strong topic sentence, as well as tips and hints...

Can you name the four parts of the life cycle of the butterfly? This site features a brief but detailed description of the life cycle of a butterfly and some other fun facts about this interesting insect.

These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author. These pages are about the house sparrow and the differences that can be observed in it in different geographical...