Primary colors are not a fundamental property of light but are related to the color vision system in animals. The human eye normally contains only three types of color photoreceptors (L, M and S) that are associated with specialized cone cells.
No. 15; Updated October 2015. Approximately 120,000 children are adopted each year in the United States. Children with physical, developmental, or emotional handicaps who were once considered difficult to place with a new family are now being adopted (special needs adoptions). Adoption helps many of these children to grow up in permanent families rather than in foster homes or institutions.
20 articles. Over 400,000 children are in the foster care system. The initial goal is to reunite them with birth families or relatives if appropriate, but that's not always the case. At least 100,000 kids don't qualify for reunion, most often because their parents' rights have been terminated. Foster Care by the Numbers.