Although the furor about The Dress has died down somewhat since it first made the Internet explode a week and a half ago, we're all still weirdly fascinated by it. As such, it's not exactly surprising ...

Inspired by the tangents derailing this Lounge thread, one question which arose was how one really defines the color discernment of a tetrachromat - as the vast majority of humans are incapable of ...

Pittsburgh, PA, June 9, 2008--PIA/GATF is pleased to announce the availability of the Hardy, Rand, and Rittler (HRR) Pseudosiochromatic Test and the Farnsworth-Munsell 100 Hue Test. These color vision ...