Quite so. The problem with parallelograms is that they’re a con. They tell you that finding the area is simple: it’s base · height. Easy peasy! But what’s the height? Crap. The length of the sides isn ...

WHAT YOU NEED: ruler, scissors, pencil, piece of card. Image caption, STEP 1: Use the ruler and pencil to draw a diagonal line from the bottom left corner of the card to any point on the top edge of ...

A refresher course in high school geometry isn’t a prerequisite for “A Parallelogram,” the play by Pulitzer Prize-winner Bruce Norris running at the Mark Taper Forum. But it certainly wouldn’t hurt.

A new survey of the dimensions and orientation of ancient Egypt’s Great Pyramid of Giza has found that its builders attained a remarkable degree of accuracy despite limited technology. The ...

Peering into the "gut" of the galaxy Centaurus A, NASA's Spitzer Space Telescope has captured in unprecedented detail this massive galaxy's last big meal: a spiral galaxy twisted into a ...