Science-matter. Popular science, technology & digital lifestyle videos. The Science Behind the News. Scirus - for scientific information. Science Is Fun Home Experiments. Strange Science: The Rocky Road to Modern Paleontology and Biology.
Science Daily: News & Articles in Science, Health, Environment & Technology. Physics.org. PhET: Free online physics, chemistry, biology, earth science and math simulations. Mechanics with animations and film clips: Physclips. How Everything Works - How Everything Works Home Page.