Acid rain is any form of precipitation that contains acidic components, such as sulfuric or nitric acid. Acid rain affects nearly everything: plants, soil, trees, buildings and even statues.
The term transgender describes people whose gender identity differs from the sex to which they were assigned at birth.
CRE are a type of bacteria that have become resistant to most antibiotics. Infections usually occur in health care settings.
Diverticulitis can cause problems with bowel movements and a can cause severe and sudden pain in the abdomen.
Vitamin B5, also called pantothenic acid and pantothenate, is vital to living a healthy life. Like all B vitamins, it helps the body turn food into energy.
Carpal tunnel syndrome is a nerve-related condition that causes pain and numbness in the wrists and hands.
The bladder is a round, bag-like organ that stores urine. It is typically the size of a large grapefruit but can stretch much larger as needed.
Blood sugar, or glucose, is the main sugar found in blood. It is an important source of energy and provides nutrients to the body.
Chronic obstructive pulmonary disease (COPD) is a chronic lung disease that makes breathing progressively more difficult. It affects about 11 million people in the United States.
Trepanation is the ancient practice of drilling a hole in the skull. It is one of the oldest medical procedures known to the human race.
The thymus is the source of T-cells. The body uses T-cells to help destroy infected or cancerous cells.
The adenoids are one type of tonsils. They are found only in children, and shrink over time until they disappear by adulthood.
Tonsils are small organs in the back of the throat. Once thought to be useless, they are actually important to the immune system.
Lise Meitner was a pioneering physicist who discovered nuclear fission. Her contributions have often been overlooked.
Niacin is an essential vitamin that helps the digestive system, skin and nervous system to function.
Lungs are an important part of the respiratory system. Adults take 15 to 20 breaths a minute, which comes to around 20,000 breaths a day.
Russian culture has a long and rich history, steeped in literature, ballet, painting and classical music. Here is a brief overview of Russian customs & traditions.
Alpacas are domesticated versions of a South American ruminant called the vicuña. There are no alpacas in the wild.