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Winter Light (Swedish: Nattvardsgästerna, lit. 'The Communicants') is a 1963 Swedish drama film written and directed by Ingmar Bergman and starring his regulars, Gunnar Björnstrand , Ingrid Thulin and Max von Sydow .
Like many predatory animals, humans can use their night vision to prey upon and ambush other animals without their awareness. Furthermore, in the event of an emergency situation occurring at night, humans can increase their chances of survival if they are able to perceive their surroundings and get to safety.
The human eye's red-to-green and blue-to-yellow values of each one-wavelength visible color [citation needed] Human color sensation is defined by the sensitivity curves (shown here normalized) of the three kinds of cone cells: respectively the short-, medium- and long-wavelength types.
The four pigments in a bird's cone cells (in this example, estrildid finches) extend the range of color vision into the ultraviolet. [1]Tetrachromacy (from Greek tetra, meaning "four" and chroma, meaning "color") is the condition of possessing four independent channels for conveying color information, or possessing four types of cone cell in the eye.
Birds, however, can see some red wavelengths, although not as far into the light spectrum as humans. [46] It is a myth that the common goldfish is the only animal that can see both infrared and ultraviolet light; [47] their color vision extends into the ultraviolet but not the infrared. [48]
Today, most mammals possess dichromatic vision, corresponding to protanopia red–green color blindness. They can thus see violet, blue, green and yellow light, but cannot see ultraviolet or deep red light. [5] [6] This was probably a feature of the first mammalian ancestors, which were likely small, nocturnal, and burrowing.
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After Earth is a 2013 American post-apocalyptic action-adventure film co-produced and directed by M. Night Shyamalan, who co-wrote the script with Gary Whitta.The film was loosely based on an original story idea by Will Smith about a father-and-son trip in the wilderness before it was eventually reworked into a sci-fi setting, taking place 1,000 years in the future where humans evacuated Earth ...