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.
To date, most donor organs have come from deceased donors. Kidney transplants are the most common type of transplant surgery; the least common single-organ transplants are the intestines. Depending on the organ needed, organs are matched using several characteristics, including blood type and size of the organ needed.