Word: saliva
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...details of these far-flung crimes unfolded, the fbi was quietly trying to bolster its evidence against the suspects in the other Washington-area shootings. Law-enforcement sources tell Time that the fbi is testing saliva used to seal a letter left at the murder scene outside a Ponderosa steak house in Virginia for a match with either man's dna. Meanwhile, more evidence is emerging of the lengths to which desperate authorities went in an effort to catch the snipers. At the height of the Beltway crisis, fbi sources tell Time, the bureau's elite hostage-rescue team secretly...
...tissue and use them to identify a person with near certainty has shaken up criminalistics like nothing before. As technicians have got better at extracting DNA from ever smaller samples, the technology has become increasingly useful, allowing evidence-rich cells to be drawn from traces of sweat, tears, saliva and blood spots a tenth of an inch across. Says Barry Fischer, director of the Los Angeles sheriff department's forensics lab: "You can get good DNA from a hatband or the nosepiece of a pair of glasses...
Meningitis, which is spread through the sharing of saliva, affects about one person out of 100,000 each year. The incidence is much higher during infancy and during the first year of college due to the close living quarters of dormitories. About five in 100,000 first-year students are infected, according to the Centers for Disease Control and Prevention...
...study, which will soon be published in the journal Human Reproduction, used saliva samples to test whether male testosterone levels varied according to the participants’ social relationships. They found married men have significantly lower testosterone levels than single...
They took four daily saliva samples from each of the men—twice in the morning and twice in the evening...