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Causes of Global Warming

August 18, 2017 | Reference

Since the late 1700s, the world's climate has been changing rapidly, mostly due to human causes.
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Kidney Stones: Causes, Symptoms & Treatment

August 17, 2017 | Reference

A kidney stone is a hard mass that forms in the kidneys from minerals in the urine, and if large enough, can cause serve pain.
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Rosetta Stone: Key to Ancient Egyptian Writing

August 16, 2017 | Reference

The Rosetta Stone contains text written in three languages, which made it possible to translate ancient Egyptian hieroglyphics.
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Who Invented the Light Bulb?

August 16, 2017 | Reference

Many notable figures — not only Thomas Edison — contributed to the development of this revolutionary technology.
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Flu Shot Facts & Side Effects (Updated for 2017-2018)

August 15, 2017 | Reference

The seasonal flu shot is a yearly vaccine administered to protect against the flu, or influenza. In the United States, flu shots are recommended for everyone ages 6 months and older.
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Urinary Tract Infection: Causes, Symptoms & Treatment

August 14, 2017 | Reference

A urinary tract infection is an infection of any part of the urinary tract, which includes the bladder, kidneys, ureters and urethra.
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Effects of Global Warming

August 12, 2017 | Reference

The consequences of global warming are expected to be far-reaching, long-lasting and, in many cases, devastating.
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What is an MRI (Magnetic Resonance Imaging)?

August 11, 2017 | Reference

Magnetic resonance imaging (MRI) uses powerful magnets to realign a body's atoms, which creates a magnetic field that a scanner uses to create a detailed image of the body.
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Suicide: Statistics, Warning Signs and Prevention

August 10, 2017 | Reference

Every year, tens of thousands of Americans die from suicide. It is the third leading cause of death among young people between the ages of 10 and 24, amounting to about 4,600 deaths a year.
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What Is Global Warming?

August 10, 2017 | Reference

Global warming is the gradual heating of Earth's surface, oceans and atmosphere.
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