Chemistry
Computational Science
Machine Learning by Andrew Ng, Stanford University
https://www.coursera.org/learn/machine-learning
Neural Networks and Deep learning by Andrew Ng, deeplearning.ai
Math
Linear Algebra by UCLA
http://www.math.ucla.edu/~tao/resource/general/115a.3.02f/
Art
The Architectural Imagination by Harvard University
https://courses.edx.org/courses/course-v1:HarvardX+GSD1x+1T2017
Modern Art & Ideas by The Museum of Modern Art
https://www.coursera.org/learn/modern-art-ideas