Orange (colour) and absorb mostly greenish-blue light. (See also shades of orange). Other orange pigments include: The orange colour of carrots, pumpkins, sweet potatoes, oranges, and many other fruits and vegetables comes from carotenes, a type of photosynthetic pigment. These pigments convert the light energy that the plants absorb from the sun into chemical energy for the plants' growth. The carotenes themselves take their name from the carrot. Autumn leaves also get their orange colour from carotenes. When the weather turns cold and production of green chlorophyll stops, the orange colour remains. Before the 18th century, carrots from Asia were usually purple,
Moving to Opportunity Moving to Opportunity Moving to Opportunity for Fair Housing (MTO) was a randomized social experiment sponsored by the United States Department of Housing and Urban Development (HUD) in the 1990s among 6969 low-income families with children living in high-poverty public housing projects. Families who volunteered to participate in the program were randomly assigned to 3 groups. One group received housing vouchers that could be used only in low-poverty areas for the first year as well as counseling to help them find units there. After a year, they could use their vouchers anywhere. One group received vouchers that could be used