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Then, the song was one I had never heard before, and it was about someone going away forever. Needless to say, my husband, cousins, and I were just a little freaked out. But, in the end, I knew it ...
5. Dogs can smell cancer cells. So, as we've touched on, dogs use their sense of smell to perceive the world. Their highly developed sense of smell means that they can tap into our emotions, they ...
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Reading in dim light causes eye strain rather than permanent damage to the eye. Color blindness cannot be significantly alleviated by glasses or lenses . While there are lenses marketed towards the colorblind, their efficacy is doubted by professionals, and they do not enable wearers to see new colors.
The human eye, showing the iris and pupil. In 1802, philosopher William Paley called it a miracle of "design."In 1859, Charles Darwin himself wrote in his Origin of Species, that the evolution of the eye by natural selection seemed at first glance "absurd in the highest possible degree". [3]
Blinking is a bodily function; it is a semi-autonomic rapid closing of the eyelid. [1] A single blink is determined by the forceful closing of the eyelid or inactivation of the levator palpebrae superioris and the activation of the palpebral portion of the orbicularis oculi, not the full open and close.
Hollywood was once the ultimate goal for many working in the film industry. But between strikes, scandals, and sinister secrets being revealed, Tinseltown seems to be losing some of its sparkle.
The phenomenon was first described by Francis Galton in 1880 in a statistical study about mental imagery. [2] Galton wrote: To my astonishment, I found that the great majority of the men of science to whom I first applied, protested that mental imagery was unknown to them, and they looked on me as fanciful and fantastic in supposing that the words "mental imagery" really expressed what I ...