Dark circles under the eyes are a common complaint of both men and women, although they can occasionally be seen in children. As people age, the skin becomes thinner and collagen is lost, sometimes enhancing the appearance of blood vessels beneath the eyes and making the area appear darker.
A bond is an interest-bearing security that obligates the issuer to pay the bondholder a specified sum of money, usually at specific intervals (known as a coupon), and to repay the principal amount of the loan at maturity. Zero-coupon bonds pay both the imputed interest and the principal at maturity.
Loading the player... A coupon bond, also referred to as a bearer bond, is a debt obligation with coupons attached that represent semi-annual interest payments. With coupon bonds, there are no records of the purchaser kept by the issuer; the purchaser's name is also not printed on any kind of certificate.