Science Reference Center - Full-text source from nearly 200 science periodicals, 700 science reference books and encyclopedias covering topics such as biology, chemistry, earth and space science, environmemental science, health and medicine, life science, mathematics, physics, science and society, science as inquiry, scientists, technology, and wildlife. Additionally provides full-text science essays and biographies along with images and video. (If prompted for a patron ID, enter your Ferguson Library card number)