In the new research, Dr. Ellwood and his colleagues examined samples of rocks from Morocco.
Of forty-two examined samples, thirty-one were so degraded that DNA typing was not possible.
The authors examined samples from 62,439 women in a study of nurses that began in 1989.
Using the micro-analyzer, Dr. Switzer and other mineralogists examined samples brought back from the moon by the Apollo 15 and 16 crews.
In the early 1990's, archaeologists from the University of Arizona examined samples of household garbage in Tucson on the Monday after Thanksgiving.
In seeking a cause, the researchers examined samples of corals of the genus Porites, which give clues to their life, and death, in the chemical makeup of their skeletons.
They examined samples of nervous tissue from 11 patients who had died of ALS, 10 Alzheimer's patients, and 16 people with no signs of neurological disease, who were used as controls.
Figure 3 Results of grain size distribution (GSD) analyses for the examined samples.
Samples 1 and 5 had more swelling percentage among the examined samples.
The examined samples cover a broad range of colors and dates of manufacture.
In the present study, out of 200 bacteriologically examined samples, 40 (20%) were harboring E. coli.
