I'll soon be releasing a new video course that will be available on my video tutorial site, Critical Thinker Academy, and on Udemy. The course is titled "The Vocabulary of Science: First Steps to Science Literacy". It introduces some fundamental concepts about the nature of science and scientific reasoning by examining the various ways that scientists and non-scientists use terms like "theory", "fact", "law", "hypothesis", and "model". Below is a sequence of three videos from the course that explore the concept of a scientific "fact".