Eye color for a plausible argument stating that some eyes can or do change, based on chemical reactions and hormonal changes within the body. Studies on Caucasian twins, both fraternal and identical, have shown that eye color over time can be subject to change, and major demelanization of the iris may also be genetically determined. Most eye-color changes have been observed or reported in the Caucasian population with hazel and amber eyes. Carleton Coon created a chart by the original Martin scale. The numbering is reversed on the scale below in the (later) Martin–Schultz scale, which is (still) used in physical anthropology.
Media and LGBTQ youth of colour in the United States youth worldwide. The hashtag was used by a diverse community on a number of platforms, including Instagram, Facebook, Twitter and YouTube. Many young teens shared their stories and created an Instagram channel. Movements such as the #40toNoneDay raised awareness regarding youth-of-color homelessness, particularly in the LGBT community. Sara Ramirez, who plays a bisexual doctor on "Grey’s Anatomy", advocates the movement to bring attention to the 40 percent of homeless youth who identify as part of the LGBT community; LGBT youth are less than seven percent of the general youth population. Representations of, and expressions by, LGBTQ youth of colour can