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 ...

Crows are able to look at a handful of four-sided shapes and correctly distinguish those that exhibit geometric regularity from those that don't, according to a provocative new study. It's the first ...

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 ...

Through modeling and experiments, researchers uncover a previously undescribed shape -- they call a 'scutoid' -- adopted by packed epithelial cells during embryonic development; discovery could lead ...