Polar Day. a day lasting more than 24 hours, occurring in polar regions north of the arctic circle and south of the antarctic circle. At points in the northern hemisphere with a geographic latitude Ï, the sun does not drop below the horizon at certain times of the year.
(Newser) â You know what they say: You're never too old to donate an organ. Well, they should say that, anyway. The Evening Times reports a woman recently became Scotland's oldest organ donor after dying at the age of 107. Her corneas were removed and are now helping a young patient see. The message is, don't rule yourself out, says Lesley Hogan of NHS Blood and Transplant.
Fifty percent of kidneys from a living donor still function after 16 to 20 years, and with organs from deceased donors, a transplanted kidney should last 8 to 10 years. Dr. Audrey K. Chun, MD, Geriatric Medicine, answered on behalf of The Mount Sinai Health System. With the use of current immunosuppressive medications the risk of sudden kidney rejection is low, and if it occurs it can be treated very effectively. Kidney transplants last relatively long.