Archaeologist Silvia Ferrara described the organization of lines by recurring principles—parallelisms, grids, rotations, and systematic repetitions—as an embryonic visual grammar.

👉 Learn how to solve problems with rhombuses. A rhombus is a parallelogram such that all the sides are equal. Some of the properties of rhombuses are: all the sides are equal, each pair of opposite ...

Crows might appear like they only screech and steal food, but scientists recently discovered a complex side of these clever birds. Like us, they recognise unfamiliar shapes. German researchers found ...

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