News tagged with visual spectrum

New understanding of how we see colors

(Medical Xpress)—Scientists have until now not fully understood how animals see in color, since visual pigments in eyes contain exactly the same chromophore (light absorbing segment of the molecule) and yet can absorb different ...

Dec 07, 2012
popularity 4.6 / 5 (11) | comments 0 | with audio podcast report

Medical myth: Reading from a screen harms your eyes

The time most of us spend looking at a screen has rapidly increased over the past decade. If we're not at work on the computer, we're likely to stay tuned into the online sphere via a smart phone or tablet. ...

Oct 19, 2012
popularity 4.8 / 5 (4) | comments 3 | with audio podcast

People have powerful appeal in photos

(Medical Xpress) -- College students looking at photographs spent more time gazing at the people in the pictures than the surrounding elements, even when those people were quite small or not centrally located, ...

Oct 19, 2011
popularity not rated yet | comments 2 | with audio podcast