Generalized anxiety disorder: Causes, symptoms & treatment By Kim Ann Zimmermann published 18 January 23 People with generalized anxiety disorder experience constant feelings of anxiety that affect their everyday life.
American culture: Traditions and customs of the United States By Kim Ann Zimmermann, Callum McKelvie published 4 November 22 Reference Nearly every region of the world has influenced the customs and traditions of the United States.
Internet history timeline: ARPANET to the World Wide Web By Kim Ann Zimmermann, Jesse Emspak published 8 April 22 Reference Al Gore didn't invent the Internet. Vinton Cerf & Bob Kahn are often called Fathers of the Internet.
The nervous system: Facts, function and diseases By James Horton last updated 15 March 23 Reference The network of nerves is the body's electrical wiring.
"The birds and the bees." Meaning and origin of the phrase By Kim Ann Zimmermann published 28 February 22 Reference The birds and the bees is a story parents tell their children to deflect the question "Where do babies come from?" The phrase refers to the talk about sex.
Pleistocene epoch: The last ice age By Patrick Pester, Kim Ann Zimmermann published 28 February 22 The Pleistocene epoch lasted from about 2.6 million to 11,700 years ago and included the last ice age, when glaciers and giant megafauna dominated the landscape.
Indian culture: Customs and traditions By Kim Ann Zimmermann, Jonathan Gordon published 3 February 22 Reference India is one of the world's oldest and most diverse cultures. Here is an overview of Indian customs and traditions.
Mexican culture: Customs and traditions By Kim Ann Zimmermann, Jonathan Gordon published 27 January 22 Reference Mexican culture varies widely throughout the country, but traditions are highly valued as is its long and storied history.
The lymphatic system: Facts, functions & diseases By Kim Ann Zimmermann, Scott Dutfield last updated 17 August 22 Reference The lymphatic system helps rid the body of toxins. Diseases of this system include lymphadenopathy, lymphoma and other disorders.
French culture: Customs & traditions By Kim Ann Zimmermann, Jonathan Gordon published 21 January 22 Reference Discover the world of French culture, the customs and traditions of France, as well as how it became a center of fashion, art and architecture.
Italian Culture: Facts, customs & traditions By Kim Ann Zimmermann, Jonathan Gordon last updated 22 July 22 REFERENCE Italian culture goes back to the ancient, had a massive impact on the Renaissance and is represented in the world today by its art, fashion and popular food.
What does the endocrine system do? By Kim Ann Zimmermann, Sarah Wild published 10 November 21 Facts and information about the endocrine system.
Respiratory system: Facts, function and diseases By Kim Ann Zimmermann published 16 July 21 The respiratory system is responsible for taking in oxygen and expelling carbon dioxide. The main organs are the lungs, which work in concert with the cardiovascular system.
The Circulatory System: An Amazing Circuit That Keeps Our Bodies Going By Kim Ann Zimmermann last updated 8 August 22 The heart, lungs and about 60,000 miles of blood vessels work together to keep blood pumping through our bodies.
The Human Skeletal System By Kim Ann Zimmermann published 8 August 19 Humans wouldn't get very far without bones — literally.
Social anxiety disorder: Causes, symptoms and treatment By Kim Ann Zimmermann last updated 31 January 23 Social anxiety disorder causes significant discomfort about social interactions.
Green Flash: The Beautiful and Elusive Sunset Phenomenon By Kim Ann Zimmermann published 3 January 19 Sometimes, at sunset, the sun appears to suddenly and briefly change color. Blink, and you'll miss it.
Skin: The Human Body's Largest Organ By Kim Ann Zimmermann published 22 October 18 Skin is the body's largest organ and is the first line of defense against harm.
Immune System: Diseases, Disorders & Function By Kim Ann Zimmermann last updated 18 October 22 The job of the immune system is to protect against disease.
Reproductive System: Facts, Functions & Diseases By Kim Ann Zimmermann last updated 17 August 22 This may be the most important system in the body. Without the ability to reproduce, a species dies.
Urinary System: Facts, Functions & Diseases By Kim Ann Zimmermann published 7 March 18 The urinary system — also known as the renal system — produces, stores and eliminates urine, the fluid waste excreted by the kidneys
Chinese Culture: Customs & Traditions of China By Kim Ann Zimmermann last updated 27 July 22 Chinese culture reflects the customs and traditions of one of the largest countries in the world, with 1.34 billion people.
Aconcagua: Highest Mountain in South America By Kim Ann Zimmermann published 9 December 17 The Andean peak is also the highest in the Western and Southern hemispheres.
Great Facts About the Five Great Lakes By Kim Ann Zimmermann published 30 June 17 The Great Lakes — Superior, Huron, Michigan, Ontario and Erie — make up the largest body of fresh water on Earth.
