Instructional Video5:59
Curated Video

"PROOF" Everyone In The World Has The SAME AGE. Can You Spot The Mistake?

6th - 11th
A false proof using mathematical induction claims that everyone in the world has the same age. Can you spot the mistake? My blog post for this video https://wp.me/p6aMk-58K Sources A slightly less ambitious proof that all people in...
Instructional Video22:23
Institute for New Economic Thinking

Models and Laws | How & How NOT to Do Economics with Robert Skidelsky

Higher Ed
How do economists seek to establish their so-called laws? What is the scientific status of such laws? Are they always valid or merely useful rules-of-thumb? These, and more questions, are answered in this fifth lecture in INET’s “How and...
Instructional Video4:41
TED-Ed

The Famously Difficult Green-Eyed Logic Puzzle

11th - 12th Standards
Ready to introduce the study of logic with what has been called "the hardest logic puzzle in the world"? What better way than with a TED-Ed video! This video describes the famous green-eyed-prisoners-on-an-island riddle by first posing...
Instructional Video8:05
Khan Academy

Vi and Sal Talk About the Mysteries of Benford's Law, Logarithms, Algebra II

10th - 12th
Challenge your students to explain why this interesting mathematical law works! Sal, accompanied by Vi Hart, demonstrates BenfordÕs Law. They challenge the listeners to see if they can give an intuitive reason why this law fairly...
Instructional Video8:05
Khan Academy

Vi and Sal Talk About the Mysteries of Benford's Law, Logarithms, Algebra II

10th - 12th
Challenge your students to explain why this interesting mathematical law works! Sal, accompanied by Vi Hart, demonstrates BenfordÕs Law. They challenge the listeners to see if they can intuitively explain why this law fairly accurately...
Instructional Video
Khan Academy

Khan Academy: Epistemology: The Puzzle of Grue

10th - 12th
In this video, Sinan Dogramaci (The University of Texas at Austin) explains the puzzle of grue. He discusses how this puzzle undercut the attempt to formally develop inductive logic, the logic of probabilistic support.
Instructional Video
Khan Academy

Khan Academy: Epistemology: The Preface Paradox

10th - 12th
Everybody has false beliefs, including you. But that means everyone's beliefs are self-contradictory. If we wrote down everything you believe in a book, we'd have to include one more statement in the book's preface: 'some of the...