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![Hypothermia Research: Research on exercise in cold water, part of an assessment of exercise regimes for victims of multiple sclerosis (MS). Here, at the University of Minnesota Hypothermia laboratory in Duluth, a volunteer rides an exercise bicycle while immersed in cold water at a temperature of 50 degrees Fahrenheit. A variety of probes measure his vital functions, skin & core body temperatures. The tube connected to his mouth delivers a monitored air supply. People afflicted by MS need regular exercise, but the rise in body temperature this provokes often causes uncontrollable shaking. Exercise in cold water helps counter this effect. MODEL RELEASED [1988]](https://m.psecn.photoshelter.com/img-get2/I0000r6eQEbM6pOk/fill=/fit=180x180/I0000r6eQEbM6pOk.jpg)
![Hypothermia Research: Research on exercise in cold water, part of an assessment of exercise regimes for victims of multiple sclerosis (MS). Here, at the University of Minnesota Hypothermia laboratory in Duluth, a volunteer rides an exercise bicycle while immersed in cold water at a temperature of 50 degrees Fahrenheit. A variety of probes measure his vital functions, skin & core body temperatures. The tube connected to his mouth delivers a monitored air supply. People afflicted by MS need regular exercise, but the rise in body temperature this provokes often causes uncontrollable shaking. Exercise in cold water helps counter this effect. MODEL RELEASED [1988] .Hypothermia is a medical condition in which the victim's core body temperature has dropped to significantly below normal and normal metabolism begins to be impaired. This begins to occur when the core temperature drops below 35 degrees Celsius (95 degrees Fahrenheit). If body temperature falls below 32 °C (90 °F), the condition can become critical and eventually fatal. Body temperatures below 27 °C (80 °F) are almost uniformly fatal, though body temperatures as low as 14 °C (57.5 °F) have been known to be survivable. [[http://encycl.opentopia.com/term/Hypothermia]]](https://m.psecn.photoshelter.com/img-get2/I00005WBciDHKB6c/fill=/fit=180x180/I00005WBciDHKB6c.jpg)
![Hypothermia Research: Dr. Robert S. Pozos, Director of the Hypothermia Research Lab at the University of Minnesota Hypothermia in Duluth. (Blocks of ice brought in for photo.) MODEL RELEASED [1988]](https://m.psecn.photoshelter.com/img-get2/I0000Bkx5G4LSQ3c/fill=/fit=180x180/I0000Bkx5G4LSQ3c.jpg)
![Hypothermia Research at the University of Minnesota Hypothermia laboratory in Duluth; volunteers in survival suit test immersed in cold water at a temperature of 53 degrees Fahrenheit (10 °C). A variety of probes measure their vital functions, skin & core body temperatures. MODEL RELEASED [1988]](https://m.psecn.photoshelter.com/img-get2/I0000cPZbAfoBw_w/fill=/fit=180x180/I0000cPZbAfoBw_w.jpg)
![Hypothermia Research at the University of Minnesota Hypothermia laboratory in Duluth; volunteers immersed in cold water at a temperature of 53 degrees Fahrenheit (10 °C). A variety of probes measure their vital functions, skin & core body temperatures. MODEL RELEASED [1988]](https://m.psecn.photoshelter.com/img-get2/I0000rwCr63Li6qA/fill=/fit=180x180/I0000rwCr63Li6qA.jpg)
![Airborne infrared astronomy. Alan Meyer (left) and Roger Hildebrand seen during a flight of the Kuiper Airborne Observatory (KAO). The screen displays show the image made by the alignment telescope (left) and the infrared telescope (right). The KAO is a converted Lockheed C-141A Starlifter aircraft, containing a 90-cm infrared telescope. Flying at up to 12,500 meters, the KAO can cruise well above most of the atmospheric water vapor,, which absorbs far-infrared radiation. The KAO also contains computerized data reduction and analysis stations. Operated by NASA, the first flight of the KAO was in January [1992] NASA AMES Research Center at Moffett Field, Mountain View, California. Infrared telescope looking at gas clouds. [1992]](https://m.psecn.photoshelter.com/img-get2/I0000QSUuCy_gNDY/fill=/fit=180x180/I0000QSUuCy_gNDY.jpg)
![Hypothermia Research at the University of Minnesota Hypothermia laboratory in Duluth; cold, fatigue, alcohol study with motorboat drive test on Lake Superior. The driver has been given measured amounts of alcohol and his reactions tested. MODEL RELEASED [1988]](https://m.psecn.photoshelter.com/img-get2/I0000jLB3fCnFJuI/fill=/fit=180x180/I0000jLB3fCnFJuI.jpg)
![Hypothermia Research at the University of Minnesota Hypothermia laboratory in Duluth; Joan Bannister studying cold induced vasodilation in 35 degrees Fahrenheit (0 °C) water. Vasodilation is where blood vessels in the body become wider following the relaxation of the smooth muscle in the vessel wall. This will reduce blood pressure - since there is more room for the blood. MODEL RELEASED [1988]](https://m.psecn.photoshelter.com/img-get2/I0000ILwFLoOtbrk/fill=/fit=180x180/I0000ILwFLoOtbrk.jpg)
![Pre-flight preparation of the Kuiper Airborne Observatory (KAO). This is a converted Lockheed C-141A Starlifter aircraft, operated by NASA since 1974. Its main instrument is a 90-cm infrared telescope. The KAO can cruise at up to 12,500 meters, well above most of the atmospheric water vapor that absorbs far infrared radiation and prevents ground-based far-IR astronomy. Here, the liquid nitrogen tanks in the rear of the aircraft are being filled, venting gas producing the cloud. Liquid nitrogen is used in the cryogenics system used to maintain the temperature of the KAO's instruments to within one degree of absolute zero (-273 Celsius). NASA AMES Research Center at Moffett Field, Mt. View, California. [1992]](https://m.psecn.photoshelter.com/img-get2/I0000KcwrrBioY6o/fill=/fit=180x180/I0000KcwrrBioY6o.jpg)
![Hypothermia Research at the University of Minnesota Hypothermia laboratory in Duluth; US Coastguardsman wears a survival suit while laying on ice floating in Lake Superior for a survival suit test. Temperature of the water is about 45 degrees Fahrenheit. MODEL RELEASED [1988]](https://m.psecn.photoshelter.com/img-get2/I0000rBtYroPdmBQ/fill=/fit=180x180/I0000rBtYroPdmBQ.jpg)
![Hypothermia Research at the University of Minnesota Hypothermia laboratory in Duluth; volunteer, Brian Cress, warms up his body temperature after being immersed in cold water at a temperature of 53 degrees Fahrenheit (10 °C). A variety of probes measure his vital functions, skin & core body temperatures. MODEL RELEASED [1988]](https://m.psecn.photoshelter.com/img-get2/I0000h0uIzQyx5Zg/fill=/fit=180x180/I0000h0uIzQyx5Zg.jpg)
![Hypothermia Research at the University of Minnesota Hypothermia laboratory in Duluth; volunteer immersed in cold water at a temperature of 53 degrees Fahrenheit (10 °C). A variety of probes measure his vital functions, skin & core body temperatures. MODEL RELEASED [1988]](https://m.psecn.photoshelter.com/img-get2/I0000hI7ECwJzeco/fill=/fit=180x180/I0000hI7ECwJzeco.jpg)
![Hypothermia Research at the University of Minnesota Hypothermia laboratory in Duluth; volunteer lays still for shiver test as 30 °F air is blown on her. A variety of probes measure her vital functions, skin & core body temperatures. MODEL RELEASED [1988]](https://m.psecn.photoshelter.com/img-get2/I00008Qttpio33aw/fill=/fit=180x180/I00008Qttpio33aw.jpg)
![Physics: Lawrence Livermore National Lab in Livermore, California. New Materials research: thin multilayers (concave mirror for x-ray laser). [1991]](https://m.psecn.photoshelter.com/img-get2/I0000NwlR.72RZL0/fill=/fit=180x180/I0000NwlR.72RZL0.jpg)
![Mountain View, California.Vials of chemicals known as P.A.H. (Polycyclic Aromatic Hydrocarbons) luminesce in ultraviolet light. These molecules, naturally occuring throughout the depths of space, are believed by these and and other researchers to be possible origins of life on earth. P.A.H.s have been found to become chemically modified when surrounded by ice and exposed to ultraviolet radiation -- a situation likely to occur in space.iOnce molecularly altered, the modified P.A.H.s closely resemble known organic molicules that are found in abundance on earth. Thus P.A.H.s may be found to be the first stage in a chain of molecules that led to life on earth. Researchers at NASA/Ames are simulating the conditions in space in order to study these alterations in the molecular structure of P.A.H.s. They also track P.A.H.s as they travel through interstellar space towards developing solar systems where they may become transformed into the seeds of life, all to hypothesize about the origins of life on earth..[1999]](https://m.psecn.photoshelter.com/img-get2/I0000Xise9yQw_IU/fill=/fit=180x180/I0000Xise9yQw_IU.jpg)
