Wi-Phi introduces people to the practice of philosophy by making videos that are entertaining, interesting, and accessible to people with no background in the subject. Wi-Phi is run by Gaurav Vazirani and a team of dedicated graduate students who collaborate with some of the best philosophers in the world to produce the videos at www.wi-phi.com.
The critical thinking section will teach you the skills to think clearly and independently. It will help you identify valid arguments, detect inconsistencies in reasoning, understanding logical connections between ideas, and construct and evaluate arguments.
Metaphysics is an area of philosophy concerned with what there is in the universe (ontology) and the nature of what exists. Epistemology is a related area interested in knowledge and how we know things about the universe.