The future of here aviation is unmanned and ultimately autonomous.As part of this effort the Office of Naval Research, in partnership with the Naval Air Systems Command, has initiated the advanced autonomous air-to-air refueling system (A4RS) future naval capability (FNC).The A4RS FNC intends to set the interface requirements for any uncrewed aeria
Because of logistical constraints little previous information exists on ivory gulls (Pagophila osborne hog feeders for sale eburnea) in the waters around Svalbard and the east coast of Greenland in late winter/early spring.The Swedish Arctic Ocean 2002 expedition investigated these areas at that time of year and in this paper I report on the observ
Radiation treatment failure or relapse after initial response to chemotherapy presents significant clinical challenges in cancer patients.Escape from initial courses of treatment can involve reactivation of embryonic developmental stages, with the formation of polynuclear giant cancer cells (PGCCs).This strategy of dedifferentiation can insulate ca