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.
Early Sunday morning, most Americans will set their clocks ahead one hour as daylight saving time (DST) returns. Springing forward may seem simple enough, but daylight savingâs history has actually been quite complexâand misconceptions about it persist today. As you prepare to reset your watches, alarms and microwaves, explore eight facts about daylight saving time that might surprise you. 1.