For a pyramid to look like a pyramid, each of the four triangular-shaped sides must slope up and towards each other at the same angle so that they meet at a point at the top. The builders ...

A striking formation rises from Antarctica’s icy expanse, its sharp lines cutting through the frozen landscape like a forgotten relic. Buried beneath layers of dense frost in the Ellsworth Mountains, ...

If there are more children than elderly people, the chart will have the shape of a true pyramid. Take 1950, for example. Here, the post-war baby boom generation is clearly visible. Nowadays, only the ...

So what's so great about the Great Pyramid? Lots of stuff, like its amazing shape and dimensions. Click on the pyramid to find out more. Build a scale model of the Great Pyramid and compare it to ...

You can get pyramids with different shaped bases. Triangles, pentagons, hexagons, any shape. And a circle becomes a sphere with just one large, curved face, like a ball. Perfect for, uh ...

If there are more children than elderly people, the chart will have the shape of a true pyramid. Take 1950, for example. Here, the post-war baby boom generation is clearly visible. Nowadays, only the ...

A curtain opens on a stage to reveal different shaped animated characters - a sphere, a cube and a pyramid. NARRATOR: It's crunch time for the 3D crew. And who's going to take home the coveted ...