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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] .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: 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)
![Genetically engineered tomato plants. The petri dish contains cultures of Flavr Savr tomato plants; the first genetically engineered whole food. Each plantlet has been cultured from a single cell, grown on agarose medium. Flavr Savr tomatoes have a gene that allows the fruit to ripen on the vine without softening; so they are tastier, do not need ripening with ethylene gas, and are not damaged during shipping. Tomato softening occurs due to the enzyme polygalacturonase. Flavr Savr tomatoes contain an anti-sense gene that blocks the enzyme. This tomato entered American supermarkets in 1994 but was withdrawn from the marketplace by Monsanto (which bought Calgene in 1997). Research conducted at Calgene in California, USA. [1995]](https://m.psecn.photoshelter.com/img-get2/I0000HMy1scIQnWw/fill=/fit=180x180/I0000HMy1scIQnWw.jpg)
![Genetically engineered tomato plants. Geneticist Dr Virginia Ursin examines cultures of Flavr Savr tomato plants; the first genetically engineered whole food. Each dish contains seedlings cultured from a single cell, grown on agarose medium. Flavr Savr tomatoes have a gene that allows the fruit to ripen on the vine without softening; so they are tastier, don't need ripening with ethylene gas, and are not damaged during shipping. Tomato softening occurs due to the enzyme polygalacturonase. Flavr Savr tomatoes contain an anti-sense gene that blocks the enzyme. This tomato entered American supermarkets in 1994 but was withdrawn from the marketplace by Monsanto (which bought Calgene in 1997). Research at Calgene, California, USA. MODEL RELEASED [1995]](https://m.psecn.photoshelter.com/img-get2/I0000jdQAv1Zvelk/fill=/fit=180x180/I0000jdQAv1Zvelk.jpg)
![Genetically engineered tomato plants. Geneticist Dr. Virginia Ursin examines cultures of Flavr Savr tomato plants; the first genetically engineered whole food. Each dish contains seedlings cultured from a single cell, grown on agarose medium. Flavr Savr tomatoes have a gene that allows the fruit to ripen on the vine without softening; so they are tastier, don't need ripening with ethylene gas, and are not damaged during shipping. Tomato softening occurs due to the enzyme polygalacturonase. Flavr Savr tomatoes contain an anti-sense gene that blocks the enzyme. This tomato entered American supermarkets in 1994 but was withdrawn from the marketplace by Monsanto (which bought Calgene in 1997). Research at Calgene, California, USA. MODEL RELEASED [1995]](https://m.psecn.photoshelter.com/img-get2/I0000LcgMqijyW94/fill=/fit=180x180/I0000LcgMqijyW94.jpg)
![Genetically engineered tomato plants. Geneticist Dr Virginia Ursin examines cultures of Flavr Savr tomato plants; the first genetically engineered whole food. Each dish contains seedlings cultured from a single cell, grown on agarose medium. Flavr Savr tomatoes have a gene that allows the fruit to ripen on the vine without softening; so they are tastier, don't need ripening with ethylene gas, and are not damaged during shipping. Tomato softening occurs due to the enzyme polygalacturonase. Flavr Savr tomatoes contain an anti-sense gene that blocks the enzyme. This tomato entered American supermarkets in 1994 but was withdrawn from the marketplace by Monsanto (which bought Calgene in 1997). Research at Calgene, California, USA. MODEL RELEASED.[1995]](https://m.psecn.photoshelter.com/img-get2/I0000r_XF2AHkdIk/fill=/fit=180x180/I0000r_XF2AHkdIk.jpg)
![Genetically engineered tomato plants. The petri dish contains cultures of Flavr Savr tomato plants; the first genetically engineered whole food. Each plantlet has been cultured from a single cell, grown on agarose medium. Flavr Savr tomatoes have a gene that allows the fruit to ripen on the vine without softening; so they are tastier, do not need ripening with ethylene gas, and are not damaged during shipping. Tomato softening occurs due to the enzyme polygalacturonase. Flavr Savr tomatoes contain an anti-sense gene that blocks the enzyme. Research conducted at Calgene in California, USA. [1995].](https://m.psecn.photoshelter.com/img-get2/I00005vibbtPS9CY/fill=/fit=180x180/I00005vibbtPS9CY.jpg)
