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'''Red''' may be any of a number of similar [[color]]s at the lowest frequencies of [[light]] discernible by the [[human]] [[eye]]. Red is one of three [[primary colors]] of light, along with [[green]] and [[blue]]. Red light has a wavelength range of roughly 625-760 nm. Lower frequencies are called [[infrared]], or "below red", and cannot be seen by human eyes, although some infrared frequencies can be felt as heat.<ref>http://www.flickr.com/photos/lensop/sets/72157594342268252/</ref>

'''Red''' may be any of a number of similar [[color]]s at the lowest frequencies of [[light]] discernible by the [[human]] [[eye]]. Red is one of three [[primary colors]] of light, along with [[green]] and [[blue]]. Red light has a wavelength range of roughly 625-760&nbsp;nm. Lower frequencies are called [[infrared]], or "below red", and cannot be seen by human eyes, although some infrared frequencies can be felt as heat.<ref>http://www.flickr.com/photos/lensop/sets/72157594342268252/</ref>

Red is supposedly the first color perceived by humans. Brain-injured persons suffering from temporary [[color-blindness]] start to perceive red before they are able to discern any other colors.<ref>http://www.tcrwf.org/PDF/April-2006-Newsletter.pdf</ref> [[Neolithic]] hunter peoples considered red to be the most important color endowed with life-giving powers and thus placed red [[ocher]] into graves of their deceased. This explains funds of [[skeleton]]s embedded in up to 10 kg of red powdered ocher. Neolithic cave painters ascribed [[magic]] powers to the color red. It can be stipulated that they painted [[animal]]s in red ocher or [[iron oxide]] to conjure their fertility.

Red is supposedly the first color perceived by humans. Brain-injured persons suffering from temporary [[color-blindness]] start to perceive red before they are able to discern any other colors.<ref>http://www.tcrwf.org/PDF/April-2006-Newsletter.pdf</ref> [[Neolithic]] hunter peoples considered red to be the most important color endowed with life-giving powers and thus placed red [[ocher]] into graves of their deceased. This explains funds of [[skeleton]]s embedded in up to 10&nbsp;kg of red powdered ocher. Neolithic cave painters ascribed [[magic]] powers to the color red. It can be stipulated that they painted [[animal]]s in red ocher or [[iron oxide]] to conjure their fertility.

Protective powers of the color red against evil influence were common belief. Objects, animals and trees were covered in red paint, and warriors painted their axes and spear-catapults red to endow the weapons with magic powers. Some of the Australian aborigines abide by this custom up to the present times. Neolithic hunters and Germanic warriors used to paint their weapons and even themselves in blood of slain animals. Roman gladiators drank blood of their dying adversaries to take over their strength. In other cultures, the newly born were bathed in blood of particularly strong and good looking animals.[[image:VanEyck.jpg‎|'''''Arnolfini Wedding'' by Jan Van Eyck 1434'''|center|300px]]Red painted amulets or red [[gems]], such as [[ruby]] or [[garnet]], were used as charms against the "evil eye". Wearing a red ruby was supposed to bring about invincibility. Red bed-clothes were customary in Germany up to the Middle Ages as protection against the "red illnesses", such as fever, rashes or even miscarriages (famous example is the painting Arnolfini Wedding by Jan Van Eyck, dated 1434).<ref>http://webexhibits.org/pigments/indiv/color/reds2.html</ref>

Protective powers of the color red against evil influence were common belief. Objects, animals and trees were covered in red paint, and warriors painted their axes and spear-catapults red to endow the weapons with magic powers. Some of the Australian aborigines abide by this custom up to the present times. Neolithic hunters and Germanic warriors used to paint their weapons and even themselves in blood of slain animals. Roman gladiators drank blood of their dying adversaries to take over their strength. In other cultures, the newly born were bathed in blood of particularly strong and good looking animals.[[image:VanEyck.jpg‎|'''''Arnolfini Wedding'' by Jan Van Eyck 1434'''|center|300px]]Red painted amulets or red [[gems]], such as [[ruby]] or [[garnet]], were used as charms against the "evil eye". Wearing a red ruby was supposed to bring about invincibility. Red bed-clothes were customary in Germany up to the Middle Ages as protection against the "red illnesses", such as fever, rashes or even miscarriages (famous example is the painting Arnolfini Wedding by Jan Van Eyck, dated 1434).<ref>http://webexhibits.org/pigments/indiv/color/reds2.html</ref>