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The Series Finale of Online Education: Coursera Acquires Udemy

$7.2 billion in combined revenue since 2020. $8 billion in lost market value. This merger marks the end of an era in online education.

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Brain Training: 7 Puzzles to Challenge Your Mind
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Challenge your mind with seven engaging puzzles, from counting hidden 8s to solving tricky mathematical riddles that test your logical thinking and problem-solving abilities.
- YouTube
- 21 minutes
- On-Demand
- Free Video
6 Impossible Puzzles with Surprising Solutions

Challenge your problem-solving skills with six mind-bending puzzles that require creative thinking. Explore unique solutions and expand your analytical abilities through engaging brain teasers.
- YouTube
- 13 minutes
- On-Demand
- Free Video
Can You Solve The Impossible Age and House Number Puzzle?

Challenging mathematical puzzle involving age and house number, testing logical reasoning and problem-solving skills. Explore a unique problem from the International Championship of Mathematical Games.
- YouTube
- 11 minutes
- On-Demand
- Free Video
Geometry Problem from the 2024 International Mathematical Olympiad - Explained

Explore a challenging geometry problem from the 2024 International Mathematical Olympiad, with step-by-step analysis and proof techniques for advanced mathematical reasoning.
- YouTube
- 20 minutes
- On-Demand
- Free Video
Solving the Faulty Odometer Puzzle

Explore mathematical problem-solving techniques for the faulty odometer puzzle from the 2005 AMC, including multiple methods and a simulation to understand the solution.
- YouTube
- 13 minutes
- On-Demand
- Free Video
Popular Science's "Unsolved" Car Puzzle - Solving a Tricky Math Problem

Explore a challenging car puzzle from Popular Science, featuring two solution methods and insights into mathematical problem-solving techniques.
- YouTube
- 17 minutes
- On-Demand
- Free Video
Is 1/4 of the Circle Shaded? Common Fraction Misconception Explained

Explore a challenging fraction problem that stumps many students and learn key concepts for understanding circular area fractions.
- YouTube
- 14 minutes
- On-Demand
- Free Video
Impossible Dutchmen's Wives Logic Puzzle

Challenging logic puzzle from 1740: Three Dutch couples shop, with husbands paying more. Solve the intricate problem of determining individual expenditures using clever deduction and mathematical reasoning.
- YouTube
- 12 minutes
- On-Demand
- Free Video
How to Solve Google's Clock Hands Interview Riddle

Explore multiple solutions to the classic clock hands overlap riddle, enhancing problem-solving skills and mathematical reasoning for tech interviews and brain teasers.
- YouTube
- 16 minutes
- On-Demand
- Free Video
Impossible Logic Puzzle from Indonesia - Solving a Complex Number Mystery

Challenging Indonesian logic puzzle explores complex number relationships through sum and product clues, testing advanced problem-solving skills and mathematical reasoning.
- YouTube
- 14 minutes
- On-Demand
- Free Video
AI Can Be Bad at Math and Stubborn

Explores AI's mathematical errors and persistence in incorrect answers, highlighting potential limitations and biases in artificial intelligence systems.
- YouTube
- 11 minutes
- On-Demand
- Free Video
Can You Solve for the Angle? - Polish Mathematical Olympiad Problem

Explore geometric problem-solving techniques to find an angle in a complex figure, with two different solution approaches demonstrated for a Polish Mathematical Olympiad question.
- YouTube
- 11 minutes
- On-Demand
- Free Video
A Nice Equation - Cosine Double and Triple Angles

Explore multiple approaches to solve a challenging cosine equation involving double and triple angles, demonstrating creative problem-solving techniques in trigonometry.
- YouTube
- 12 minutes
- On-Demand
- Free Video
The Famous Batteries and Flashlight Logic Puzzle - Optimal Testing Strategy

Solve a famous logic puzzle: determine the minimum tests needed to find 2 good batteries out of 4 good and 4 bad ones to power a flashlight. Explores strategies and provides proof.
- YouTube
- 18 minutes
- On-Demand
- Free Video
Seemingly Impossible Walking to College Riddle

Solve a challenging riddle about walking to college, testing your problem-solving skills and logical reasoning abilities.
- YouTube
- 12 minutes
- On-Demand
- Free Video

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