The monarch butterfly is the only species of butterfly that migrate like birds. They spend their summers in the northern United States and their winters in Mexico, but it takes four generations of mon...
In the world of ecology, the tallest trees in a forest form a canopy that is called the overstory. It provides shade for the understory—all the vegetation that grows beneath the uppermost layer of fol...
In this excerpt of a poem by William Wordsworth, the poet describes our yearning for life beyond this life. Our desire for something greater than ourselves: Whether we be young or old, Our desti...