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 ...

A quota of 200 subjects aged 65 years or older and had their households registered in Guando district was recruited for a general physical examination including ophthalmic evaluation. A structured ...

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 ...

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 ...

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 ...

Cuttlefish viewing a movie of shrimp through 3D glasses properly positioned themselves to strike the "prey," suggesting these cephalopods hunt using a process called "stereopsis" to calculate depth ...

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 ...