At first glance this brainteaser looks perfectly simple. All you have to do is count how many triangles you can see in the picture, that has been shared thousands of times on Facebook. However, it has ...

There’s nothing quite like a maddening math problem, mind-bending optical illusion, or twisty logic puzzle to halt all productivity in the Popular Mechanics office. We’re curious people by nature, but ...

Design Squad is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

Sure, riddles are fun if you’re a fan of clever wordplay. But there’s something so uniquely enjoyable about a good visual puzzle. So today, we’re calling all brainteaser aficionados: How many ...

If you take a moment to look around, you will find that our environment is a montage of geometric shapes. They are the building blocks of the world around us and are more important than we realize as ...

Do you think there’s a triangle whose angles measure 41, 76 and 63 degrees? At first, answering this may seem easy. From geometry class we know that the sum of the measures of the interior angles of a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Pascal’s triangle is a never-ending equilateral triangle of numbers that follow a rule of adding ...

Samantha is a Senior Writer for Collider, with a deep admiration for the arts, a vast amount of unpopular opinions, and an ever-expanding knowledge of all things TV and Film. Unafraid to speak her ...