Hyponatremia refers to a low level of sodium in the blood. Hyponatremia may result from excess fluid in the body relative to a normal amount of sodium, or it may be due to a loss of sodium and body fluid. Symptoms are nonspecific and can include: mental changes, headache, nausea and.
A third plane, American Airlines Flight 77, hit the western side of the Pentagon, just outside Washington, D.C. The fourth hijacked plane, United Airlines Flight 93, crashed down in a field in rural Pennsylvania, never reaching its intended target because its crew and passengers fought back against the terrorists.
The Guinness World Record flight for longest indoor distance flown by a paper airplane has been broken. On Feb. 26, former college football quarterback Joe Ayoob threw a paper airplane that soared almost the entire length of a hangar at McLellan Air Force Base near Sacramento, Calif. The fold piece of paper covered a distance of 226 feet, 10 inches, or three-fourths of the length of a football field. The paper airplane flight beat the previous world record of 207 feet, 4 inches, set by Stephen Kreiger in 2003. The record-setting plane was folded by John Collins, the self-proclaimed Paper Airplane Guy..