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When Averages Lie: Understanding Simpson’s Paradox
Explore how combining data sets can flip conclusions on their head with Simpson’s Paradox, a classic statistical curveball that’s tripped up doctors, coaches and policymakers alike.
How Medieval Taxes Shaped Fractions, Decimals & Percentages
Explore how medieval tax collectors gave rise to percentages and decimals, and why these number systems still pop up in everything from shopping discounts to sports stats.
The Mystery of the Missing Square
Discover how a simple shape rearrangement can seem to create (or destroy) area out of thin air. We’ll unravel the classic missing square puzzle and why it teaches us to be careful with area calculations.
Gabriel’s Horn: The Infinite Surface, Finite Volume Paradox
Discover the mind-bending shape known as Gabriel’s Horn, which has an infinite surface area yet holds a finite volume. Dive into its surprising history, real-world echoes, and why volume and surface area can play by different rules.
How Pythagoras Powers Your Smartphone’s GPS
Discover how an ancient Greek rule about right-angled triangles is the invisible engine behind GPS, video game graphics and even carpentry. We’ll explore its curious origin, modern-day uses and a common mix-up students often make.
Fractions, Decimals and Percentages: From Egyptians to Discounts
Explore how 1/2, 0.5 and 50% are just three sides of the same idea, from ancient Egyptian scribes to modern shopfronts—and pick up easy tricks to switch between them.
Euler’s Formula: The Hidden Geometry Behind 3D Shapes
From dice to domes, Euler’s V − E + F = 2 formula is everywhere in 3D geometry. Discover its surprising origins and why it’s more than just a classroom curiosity.
When Negatives Were Taboo: The Story of Computing with Integers
Discover how integer computations—especially negative numbers once shunned—shape everything from weather forecasts to coding. Learn the surprising history and real-life uses of these fundamental skills.
How Pythagoras Powers Your GPS and More
Pythagoras' theorem isn't just ancient wisdom—it's behind everything from GPS location to the video games you play. Dive into its surprising history, practical uses, and a common mix-up that trips people up.
Balancing Act: Ancient Scales to Everyday Equations
Discover how equations evolved from literal balance scales on Babylonian tablets to the tools you use every day, from cooking to budgeting and beyond.
When Shapes Bend but Areas Don’t: The Shear Trick
Discover how sliding the top of a rectangle turns it into a parallelogram without changing its area, and why architects, designers and geologists love this sneaky transformation.