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										| The United States has the potential to conduct 
											relatively prolonged manned space missions. Many physiological changes have 
											been identified and investigated during periods of weightlessness, and all body 
											systems are influenced to some extent. Microgravity's most notable influence on 
											the human body is also the primary physiological deterrent to prolonged manned 
											spaceflight: demineralization of bone and the body's loss of 
											calcium.    Read More>> |  | 
									
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										| Orange Park-TEKNA-THEOS Inc. (TTI), a high school 
											research and education company, is partnering with FCCJ's Aviation Center of 
											Excellence, FLIGHTSTAR aircraft Services Inc. and the Challenger Center to 
											sponsor AEROSPACE DAY 2007. This one day event uses America's aerospace assets 
											to promote math and science to 6th - 10th grade students from Northeast 
											Florida. Students will hear presentations by aerospace experts, compete in 
											teams to solve aerospace ... 
											    Read More>> |  |