A road bike frame is essentially three big tubes stuck together in a triangle, four thinner ones to support the rear wheel and a fork to hold the front wheel and allow it to turn. But it’s a lot more ...

The baffling optical illusion shows three geometric shapes. You need to figure out whether these are equal in size or not. Just when you think that you have come across the most baffling optical ...

A new study shows that like humans, crows can recognize geometric regularity, making them the first nonhuman animal known to have this ability. Squares, triangles, circles - these geometric shapes ...