MITMIT OpenCourseWarePrinciples of Chemical Science (5.111SC)Catherine Drennan's MIT introductory chemistry course, from atoms to kinetics.No certificateScienceSelf-pacedBeginner
YALEYale University (Open Yale Courses)Fundamentals of Physics I (PHYS 200)Ramamurti Shankar's recorded Yale lectures on mechanics, relativity, thermodynamics and waves.No certificateScienceSelf-pacedIntermediate