Skip to main content

Home/ science/ Group items tagged pigment

Rss Feed Group items tagged

thinkahol *

Why animals don't have infrared vision: Source of the visual system's 'false alarms' di... - 2 views

  •  
    ScienceDaily (June 9, 2011) - On rare occasion, the light-sensing photoreceptor cells in the eye misfire and signal to the brain as if they have captured photons, when in reality they haven't. For years this phenomenon remained a mystery. Reporting in the June 10 issue of Science, neuroscientists at the Johns Hopkins University School of Medicine have discovered that a light-capturing pigment molecule in photoreceptors can be triggered by heat, as well, giving rise to these false alarms.
Walid Damouny

What scientists know about jewel beetle shimmer - 0 views

  •  
    "Jewel beetles" are widely known for their glossy external skeletons that appear to change colors as the angle of view changes. Now they may be known for something else--providing a blueprint for materials that reflect light rather than absorbing it to produce colors.
1 - 2 of 2
Showing 20 items per page