But after looking at all ice cream-related Tweets from March 1 to May 18, they determined which other flavors were the most Tweeted-about. And you might be surprised at the results! Coffee and Cookie Dough dominate in the most states, but Brownie and Strawberry had fervent supporters as well.
Consequently, the dog's world consists of yellows, blues, and grays. When a human perceives a red object it appears as yellow to the dog, while a green object appears as white, a shade of gray. This white region, also called the neutral point, occurs around 480 nm in visual spectrum.
[See also: Cats and Dogs May See in Ultraviolet] Like the human retina, the canine retina contains other kinds of photoreceptors in addition to cones, called rods. These light receptors do not perceive color, but they are sensitive to light and dark changes, as well as shape and movement. And the ratio of rods to cones in the retina is much higher in dogs than it is in humans.