News tagged with colour vision

Why are so many fairy-wrens blue?

(Phys.org)—Researchers have long tried to explain the enormous diversity in colour of birds, and a new study is giving insights into why the humble fairy-wren, a colourful Australian bird, is radiantly ...

Nov 01, 2012
4.7 / 5 (3) 0 | with audio podcast

Thyroid affects color vision

What part does the thyroid gland have in vision? Thyroid hormone is crucially involved in controlling which visual pigment is produced in the cones. Previously, it was assumed that the colour sensitivity of ...

Mar 29, 2011
5 / 5 (6) 0 | with audio podcast

Sharks are colour-blind: study

Sharks may be unable to distinguish between colours, according to a lab study published on Tuesday that could benefit swimmers, surfers and sharks themselves.

Jan 18, 2011
4 / 5 (2) 2

Edge detection crucial to eyesight

(PhysOrg.com) -- In a major advance in understanding how our eyesight works, Australian scientists have shown that birds' amazing flight and landing precision relies on their ability to detect edges.

Oct 07, 2009
4.3 / 5 (6) 1

New research eyes off colourful reef fish

(PhysOrg.com) -- Most people wouldn't give a second thought to the inner workings of the fish eye. But research by University of Queensland scientists is unlocking the secrets hidden behind these fishy lenses. ...

Feb 11, 2010
4.5 / 5 (6) 1 | with audio podcast

Do computers understand art?

A team of researchers from the University of Girona and the Max Planck Institute in Germany has shown that some mathematical algorithms provide clues about the artistic style of a painting. The composition ...

Dec 23, 2009
3.5 / 5 (2) 0