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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

In the heat of the Battle of Lake Erie, Perry had to abandon his flagship, the Lawrence, which had b In the heat of the Battle of Lake Erie, Perry had to abandon his flagship, the Lawrence, which had b
During World War I, advancing armies unloosed ferocious artillery barrages to destroy deeply entrenc During World War I, advancing armies unloosed ferocious artillery barrages to destroy deeply entrenc
Values, both those held by individuals and those that represent a nation or people, can undergo deep ... Values, both those held by individuals and those that represent a nation or people, can undergo deep ...
Edmund Clark. Camp Five, Detainee's Cell, from the series Guantanamo: If the Light Goes Out, ... Edmund Clark. Camp Five, Detainee's Cell, from the series Guantanamo: If the Light Goes Out, ...
An agglutination reaction. Antigen-coated latex beads are held together by antibody. In a direct ... An agglutination reaction. Antigen-coated latex beads are held together by antibody. In a direct ...
In the figure, a 10.0-m long bar is attached by a frictionless hinge to a wall and held ... In the figure, a 10.0-m long bar is attached by a frictionless hinge to a wall and held ...
Video: Energy Flow - Trophic Levels and Food

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