The San Bernardino County Sun from San Bernardino, California • Page 32

D2 1 FEATURE FOCUS: SCIENCE The Sun Tuesday, September 8, 1987 Sugar can lower body's defenses rr iiiHoutH Knnoshico nf Tnkai University i i i i 4 niMAMni Team is rescuing a tomb Th'e New York Times ocnooi oi Meuicine wonuereu uus buiuc ouhui umi glycosylation incorporation of sugar might be a factor in the depressed immunity of diabetics, par-ticularly those whose blood sugar levels were not well controlled. He tested this hypothesis with a study of 35 adult diabetics and 14 non-diabetics and faiinrl that nntihnHips thf immune defense nrn- The New York Times Too much sugar in the blood may depress a person's immune defenses by distorting the chemistry of antibodies, a Japanese scientist has concluded after comparing diabetics with other adults. It is often observed that diabetic patients are abnormally susceptible to infection, but the reasons for this condition are unknown. Recent studies have shown that sugar molecules tend to be incorporated abnormally into many proteins of diabetic patients, including the blood pigment hemoglobin. nine wara inHooH "sncfarprl in riiflhptirs.

Thp fvi- dence indicated that the abnormal sugaring of the antibodies am inaeea compromise meir mncuon in defending against infection. Afternoon thunderstorms a hot topic The New York Times WHAT IN THE WORLD? Why are there so few thunderstorms early in the One of the more spectacular tojnbs of ancient Egypt, the burial chamber of Nefer-tari, Ilamses II 's favorite wife, hs undergone emergency repairs by an international team of scientists and art restorers. ft They applied several thousand strips of gauze and rice pa-pjr to hold together the flaking w(iill paintings until a comprehensive restoration is begun on this irriperiled monument of the ancient pharaohs. A yearlong scientific study of the tomb's condition, the first borough examination undertak-j en since its discovery in 1904, will be completed in September and I should determine how to proceed with the permanent restoration, according to an announcement by the Egyptian Antiquities Organization and the Getty Conservation Institute. The Getty institute supported the scientific study.

The wall paintings, the most spectacular feature of the tomb, portray Nefertari in vivid colors as a woman of great elegance adorned with elaborate jewelry and garments. But investigators found that about 20 percent of the murals, which cover 3,200 square feet, have been lost to dampness and decay. The remaining murals suffered from peeling paint or loose plaster. Paolo Mora, an Italian art conservator who directed repairs, said the treatments were reversible and would have no effect on later, more comprehensive work. Project scientists are studying the use of ultrasound waves as a nondestructive way to find hidden areas of plaster detachment.

They will conduct a photographic and laser-beam survey of the entire region around Luxor, on the upper Nile, to chart the flow of water during the rare occasions of heavy rain. In this way the scientists hope to predict and prevent further water damage. have a negative charge, and the earth under them has a positive charge. This imbalance is dissi Eated in what we call lightning olts; these can travel from cloud to cloud, cloud to ground, ground to cloud or cloud to air, Banner said. Because this process depends on warm air rising from the earth.

It is most common in late afternoon, when the earth is at its warmest, morning? Collisions of warm and cold air masses can produce thunderstorms at any time of day. Most common however, are storms that occur when air warmed by the earth's heat rises to cooler aiti-' tudes, where moisture within it condenses to. form clouds. The process creates a natural generator" of according to Robert J. Banner, a climato logist at the National Weather Service.

The tops of the clouds become positively charged with electricity, he said; their bases KVCR: Station has made its mark with public service programs ment and eventually move the station out of North Hall into a new building. He'd also like to see KVCR reach the hard-to-reach corners of the county. "I wouldn't say the future is" bleak, I wouldn't say the future is' bright," Little says. "I think it's going to be a fight, like it's always' been." toward getting both viewers and corporate sponsors to help share operating costs. Thus far, the station has gotten by without holding a yearly telethon or pledge week, but that may change soon.

Little would like to increase the amount of locally produced programming, upgrade equip Mountain near Riverside. The transmitter replacing the model located in North Hall took Channel 24 into new territory. Where the station's signal barely reached Redlands and Fontana before '83, viewers now report picking it up at points as far away as Catalina Island and San Diego. That the transmitter is a major source of pride around North Hall goes without saying. Cacciola and others have 8-by-10 color photographs of the $1 million transmitter framed and hanging on their office walls alongside pictures of their children.

Cacciola said goodbye to the old transmitter last year. He sold it for $750, antenna included, to a commercial television station broadcasting from Orca Island in Washington state. So far no complaints, he says, so he assumes it's still working. Tom Little, KVCR's general manager since 1975, looks toward the future and sees many challenges, most of them financial. It is a situation he shares with PBS stations across the country.

There are 7,300 PBS stations, half of them owned by colleges or universities, Little says. "When the colleges are in tough financial times, like they are now, we get cut back, like everybody else does." j- The station is beefing up its marketing strategies with an eye r. it ivawitn ana psautij of jint ivooa FRENCH DOORS BW WINDOWS to xtfiiacs. aCuminum ox otfiex exUtinq I.I Continued fromD1 schedule of PBS programming, KVCR has offered local produc-i tions that range from call-in shows about timely issues (a televised debate about the Highland cityhood question in 1983 drew a record number of calls), to a weekly show about the golden i days of television. Also in 1983, KVCR produced "Jobathon," a two-hour program aimed at matching the unemployed with potential employers.

hunters taped "video resumes" for broadcast; employers vere invited to send in job orders. More than 60 job offers came in even before the air date. Ih 1984 a similar program attempted to pair small minority-owned businesses in the Inland -Umpire with larger companies tiat could make use of their serv---ices. About 150 offers of work poured in after the show aired. Above all, though, KVCR is a teaching facility.

Through the "telecourses" offered each semester, viewers can study at home and earn college credits. Students of broadcasting work at the station to learn the ropes. Cacciola says former students have found places with all the networks and with major telecommunications companies. "I think that's why I've really stayed here," he says, "to see these kids get ahead. It all began in 1962 when the college purchased a used transmitter from RCA in a package deal that included cameras, lights, an antenna, tape machines and other broadcasting necessities.

Price tag: $125,000. "Some of those lights are still hanging in the studio," Cacciola says. In the beginning, Channel 24 was on the air for only a few hours in the evening. In 1964, daytime programming was added. In 1975, the station began converting from black-and-white to color.

"We found out by accident that we had some programs coming down the line from the network in color," Cacciola says. "Somebody called and said, 'Hey, your color looks That's when we found out the transmitter had been modified to transmit color." The year 1983 brought another landmark in KVCR's development a new transmitter, in-s tailed atop Box Springs aooxs ana ivinaowi. fj iLy I. mmmt t. jf l'iiiiiiiwf 1 tv IJ 1 if ri Tell us about Stupid Streets 11 ii them to Stupid Streets, The Living Section, The San Bernardino County Sun, 399 N.

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