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 is observed in the U.S. beginning at 2 a.m. on the second Sunday in March, and ends at 2 a.m. on the first Sunday in November. Setting your clock ahead one hour of standard time provides more daylight at the end of the day during late spring, summer, and early fall. Daylight Saving Time provides more accessible daylight hours for those working outdoors, such as farmers, as well as a safer commute home for most workers.