Science Podcasts, 9-12

http://www.discoverynow.us/
Discovery Now posts a 90-second podcast M-F that discusses the latest innovations in science and space. Previously broadcast segments are archived. The Educational Resources section offers six lesson plans for grades 9-12 that are aligned with educational standards and include STEM (science, technology, engineering and mathematics) objectives. Lesson plans include background information, standards, and instructional objectives, activities, resources, and evaluation materials.