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Peter Menzel Photography
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![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 This tomato entered American supermarkets in 1994 but was withdrawn from the marketplace by Monsanto (which bought Calgene in 1997).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. 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)
![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)
