Researchers have determined that Werner Syndrome is caused by abnormal changes (mutations) of a gene (known as the WRN gene) located on the short arm of chromosome 8 (8p12-11.2).* More than 80 different mutations of the WRN gene have been identified in individuals with the disorder.ymptoms of the following disorders can be similar to those of Werner Syndrome. Comparisons may be useful for a differential diagnosis: Hutchinson-Gilford Progeria Syndrome is a very rare disorder of childhood characterized by premature aging, short stature, and characteristic facial features.
Daylight savings time in the U.S. ends at 2 a.m. local time on November 2. Scott Gow cleans the faces of wall clocks that are being tested at the Electric Time Company in Medfield, Massachusetts. Daylight savings time in the U.S. ends at 2 a.m. local time on November 2. Photograph by Brian Snyder, Reuters.
Daylight Saving Time in the United States. In the United States Daylight Saving Time begins at 2:00 a.m. local time on the second Sunday in March. On the first Sunday in November areas on Daylight Saving Time return to Standard Time at 2:00 a.m. When Daylight Saving Time begins turn your clocks ahead one hour. At the end of Daylight Saving Time turn your clocks back one hour. The names in each time zone change along with Daylight Saving Time. Eastern Standard Time (EST) becomes Eastern Daylight Time (EDT), and so forth. Arizona, Puerto Rico, Hawaii, U.S. Virgin Islands and American Samoa do not observe Daylight Saving Time.