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  2. Sickle cell disease - Wikipedia

    en.wikipedia.org/wiki/Sickle_cell_disease

    Sickle cell disease (SCD), also simply called sickle cell, is a group of hemoglobin-related blood disorders typically inherited. [2] The most common type is known as sickle cell anemia. [2] It results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood cells. [2] This leads to a rigid, sickle -like shape under ...

  3. List of cities and counties in Virginia - Wikipedia

    en.wikipedia.org/wiki/List_of_cities_and...

    e. Virginia counties and cities by year of establishment. The Commonwealth of Virginia is divided into 95 counties, along with 38 independent cities that are considered county-equivalents for census purposes, totaling 133 second-level subdivisions. In Virginia, cities are co-equal levels of government to counties, but towns are part of counties.

  4. Genetics - Wikipedia

    en.wikipedia.org/wiki/Genetics

    Genetics is the study of genes, genetic variation, and heredity in organisms. [1][2][3] It is an important branch in biology because heredity is vital to organisms' evolution. Gregor Mendel, a Moravian Augustinian friar working in the 19th century in Brno, was the first to study genetics scientifically.

  5. Virginia adopts statewide 'bell-to-bell' cell phone ban in ...

    www.aol.com/news/virginia-adopts-statewide-bell...

    Fox local. FOX 5 DC Digital Team. September 17, 2024 at 5:45 PM. The Virginia Department of Education has released its final guidance on a "bell-to-bell" cell phone-free policy for K-12 public ...

  6. Harrisonburg, Virginia - Wikipedia

    en.wikipedia.org/wiki/Harrisonburg,_Virginia

    Harrisonburg is an independent city in the Shenandoah Valley region of the Commonwealth of Virginia in the United States. It is also the county seat of the surrounding Rockingham County, [9] although the two are separate jurisdictions. At the 2020 census, the population was 51,814. [10]

  7. Northern Virginia - Wikipedia

    en.wikipedia.org/wiki/Northern_Virginia

    Northern Virginia, locally referred to as NOVA or NoVA, comprises several counties and independent cities in the Commonwealth of Virginia in the United States. The region radiates westward and southward from Washington, D.C., the nation's capital, and has a population of 3,257,133 people as of 2023 U.S. Census Bureau estimates, representing over a third of the state's total population.

  8. Fredericksburg, Virginia - Wikipedia

    en.wikipedia.org/wiki/Fredericksburg,_Virginia

    Fredericksburg is an independent city in Virginia, United States.As of the 2020 census, the population was 27,982. [4] It is 48 miles (77 km) south of Washington, D.C., and 53 miles (85 km) north of Richmond.

  9. Portsmouth, Virginia - Wikipedia

    en.wikipedia.org/wiki/Portsmouth,_Virginia

    Website. www.portsmouthva.gov. Portsmouth is an independent city in southeastern Virginia, United States. It lies across the Elizabeth River from Norfolk. As of the 2020 census, the population was 97,915. [ 5 ] It is the ninth-most populous city in Virginia and is part of the Hampton Roads metropolitan area.