Cuttlefish in 3D glasses watching a video of a shrimp. It's not something you've likely ever seen in your neighborhood pet store, but scientists at the University of Minnesota dared to try it. The ...

Cuttlefish aren't wearing 3D glasses to enjoy state-of-the-art movie theater technology, but rather to help scientists better understand how they see the world. It turns out that when it comes to ...

WE LOOK AT THE WORLD from two slightly different vantage points, which correspond to the positions of our two eyes. These dual vantage points create tiny differences between the two eyes' images that ...

Praying mantises spend most of their lives being still. But to put 3-D glasses on these insects, Vivek Nityananda had to get them to stay really still. He would put their cages in a freezer for five ...

Update 9 Feb. 2018: This piece has been updated to reflect recent developments in the study. Originally published 12 Jan. 2016. Recent developments in the study conducted at Newcastle University in ...

A Geometric Zig Zag Lines of 3D Effect Vector Optical Illusion is a fascinating visual puzzle that hides a 3D image within a 2D pattern. At first glance, it appears to be a random collection of ...

Cuttlefish wearing 3D glasses strike accurately at a virtual shrimp moving on a screen. The finding shows that cuttlefish estimate distances by comparing images from each eye, just like we do. This ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

Have you ever wondered why your cat's eyes have those creepy vertical slits for pupils? A new study suggests the reason may lie in cats' preferred mode of hunting. Vertical-slit pupils are most common ...

Some cuttlefish absolutely refuse to wear 3-D glasses. These relatives of squid and octopuses have blimplike bodies that end in a ring of eight arms topped by two prominent eyes. It’s not hard to ...