Color blindness all variations in human color vision involve the red and green receptors in male eyes. It is very rare for males or females to be "blind" to the blue end of the spectrum. The first scientific paper on the subject of color blindness, "Extraordinary facts relating to the vision of colours", was published by the English chemist John Dalton in 1798 after the realization of his own color blindness. Because of Dalton's work, the general condition has been called "daltonism", although in English this term is now used only for deuteranopia. Color codes present particular problems for those with color
Association for the Scientific Study of Anomalous Phenomena £1,500 for cerebral palsy research. For all of their charity drives they perform 'lock-ins', where the group is sponsored to lock themselves in a 'haunted' building overnight. Association for the Scientific Study of Anomalous Phenomena The Association for the Scientific Study of Anomalous Phenomena (ASSAP) is a UK-based education and research charity, dedicated to scientifically investigate alleged paranormal and anomalous phenomena, with a view to approaching the subject in its entirety rather than looking into the psychology of individual phenomenon. The charity also incorporates various smaller groups, providing support during investigations. Paranormal Awakening and the Midlands Ghost Research Society belong