Gale In Context: Science provides millions of full-text articles from national and global publications covering all disciplines of science including biology, chemistry, earth and environmental science, physics, and more.
The AIBS is the leading scientific and professional organization representing biology in the United States. Their website contains information on a variety of topics in the field, plus news and links to other resources.
Explains what evolution is, how it works, how it factors into your life, how research in evolutionary biology is performed, and how ideas in this area have changed over time.