TED-Ed
TED-Ed: Can you solve the Ragnarok riddle? | Dan Finkel
Ragnarok: The fabled end of the world, when giants, monsters, and Norse gods battle for the future. The gods were winning until the great serpent Jörmungandr emerged. It swallowed Valhalla and contorted itself across the land. Odin has...
Curated Video
Insanely Hard High School Math Question - Online Math Olympiad Apple Tree Probability
The Online Math Olympiad is a contest for high school students with challenging problem. This 2016 test had an average score of 9 out of 30. This video is an adaption of problem 16 which is an interesting probability puzzle. At the end...
Curated Video
What's The Fewest Wins Needed To Make The NFL Playoffs?
The NFL guarantees a playoff spot for the best team in each division. We ask: what's the mathematically fewest wins an NFL team could have and still make the playoffs? There is actually a bit of graph theory in this calculation, and the...