But there’s also cubic ice, a very rare form of ice that occurs naturally only in earth’s upper atmosphere. In the lab, cubic ice can only be made by quickly supercooling water to a very low ...

Most diamonds you know are built from carbon atoms stacked like Lego blocks in a cubic pattern. This makes them the hardest natural material on Earth. But tucked inside a meteorite that hit near ...

Diamonds are usually made of carbon atoms in a cubic arrangement (like stacked Lego blocks in a cube pattern). But there is a rarer form, the hexagonal diamond (atoms stacked in a honeycomb-like ...