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ΣΥΝΕΧΙΖΟΥΜΕ...

Σάββατο 19 Δεκεμβρίου 2015

did you know ?

For a long time people thought that dogs couldn’t see colors but we now know that they can! The only thing is that dogs’ vision is limited compared to ours. 🐶🌈 “What’s true, though, is that like most mammals, dogs only have two types of color receptors (commonly called “cones”) in their eyes, unlike humans, who have three.Each of these cones is sensitive to a different wavelength (i.e. color) of light. By detecting different quantities of each wavelength and combining them, our three cones can transmit various signals for all the hues of the color wheel, the same way the three primary colors can be mixed in different amounts to do the same.But because they only have two cones, dogs’ ability to see color is indeed quite limited compared to ours (a rough comparison would be the vision of humans with red-green colorblindness, since they, too, only have two cones).” (Smithsonianmag)
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