Gooru is a search engine for learning that allows you to explore and study over 2,600 standards-aligned and personalized study guides. Study guides cover 5th-12th grade math and science topics, and resources include digital textbooks, animations, instructor videos and more.
An extensive science site with articles, videos and audio featuring the latest research. There is a good 'For Teachers' section with lesson plans and ideas.
Professor Marcus du Sautoy argues that mathematics is the driving force behind modern science. Ten fifteen minute podcasts that reveal the personalities behind the calculations from Newton to the present day. How do these masters of abstraction find a role in the real world?