There’s nothing quite like a maddening math problem, mind-bending optical illusion, or twisty logic puzzle to halt all productivity. We’re curious people by nature, but we also collectively share a ...

Periodically during tax season a meme goes around saying something like this: I sure am glad we studied triangles every time triangle season comes around. The implication here is that we never need ...

When you think back on elementary school math, do you have fond memories of the countless worksheets you completed on adding fractions or solving division problems? Probably not. Researchers and ...

Add Yahoo as a preferred source to see more of our stories on Google. This triangle brain teaser isn’t new—shoutout to Popsugar for unearthing it a couple years ago—but based on some shady Internet ...