Videos you might also like:

2005 Wildflower Summary
The 2005 wildflower season was one of the best on record. After heavy seasonal rains, an explosion of wildflowers was seen. Readers sent in scores of beautiful pictures, some of the best of which we put together here.

The Desert Food Chain
A food chain constitutes a complex network of organisms, from plants to animals, through which energy, derived from the sun, flows in the form of organic matter and dissipates in the form of waste heat.