Praying mantises get extra-tiny 3D glasses to test their vision
 

While 3D video may not be very popular these days, someone's still wearing 3D glasses -- or rather, something. Newcastle University scientists are outfitting praying mantises with very small 3D eyewear to test their depth perception, which is unique...

http://www.engadget.com/2014/04/25/p...=rss_truncated