Fallen Triangle can be a tricky yoga pose. Your legs turn away from your body in opposite directions. Your front hamstring is stretched beyond what may seem reasonable. Your core muscles--including ...

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 ...

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 ...

A series of mind-boggling puzzles have been sweeping the web - but the latest might be the toughest yet. The tricky test features three main images - two triangles and a hexagon. Each shape is divided ...

If you have six equally spaced points on a circle and join three of them, you can make three different triangles. (Two triangles are counted as the same if one is a mirror image or rotation of the ...

Problem 5 is all about triangles and figuring out how they fit together. Maths teacher Chris Smith and pupils from Grange Academy are here to explain. The Maths Week Scotland Daily Challenges have ...