Triangle sushi is a rice ball, also known as onigiri, that’s shaped into the form of a triangle. Although onigiri can be made into various shapes, triangle-shaped onigiri is typically the most common.

A man dives in the Coral Triangle off Ghizo, Solomon Islands, in 2011. USAID/Flickr It’s off-fish-ul: Today is World Oceans Day. And tomorrow marks another briny milestone: Coral Triangle Day, a day ...

A new proof breaks a decades-long drought of progress on the problem of estimating the size of triangles created by cramming points into a square. Consider a square with a bunch of points inside. Take ...

If you take a moment to look around, you will find that our environment is a montage of geometric shapes. They are the building blocks of the world around us and are more important than we realize as ...

Named for Plato, who theorized that the classical elements were made of these regular polyhedrons, three of the Platonic solids are composed of equilateral triangles: the tetrahedron, octahedron, and ...