When Was Acupuncture First Used?
When Was Acupuncture First Used? Acupuncture originated in China as a form of medical treatment about 2,500...
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Which Poisonous Gas Has a Sweet Smell?
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Most recent articles
Why Do Injured Joints Swell Up?
Why Do Injured Joints Swell Up? The swelling of an injured joint, like a knee or an ankle, is caused by the...
Why Do We Smile?
Why Do We Smile? We smile to show our pleasure or amusement in something or with someone. In fact, smiling...
Where Do Teeth Come From?
Where Do Teeth Come From? Teeth are formed from specialized cells which produce the three parts of the...
When Was the Stethoscope Invented?
When Was the Stethoscope Invented? The stethoscope was invented by a French doctor, René Théophile Hyacinthe...
What Is a Squint?
What Is a Squint? A squint, or strabismus, is the name given to a condition in which both eyes do not point...
Why Do We Vaccinate Against Smallpox?
Why Do We Vaccinate Against Smallpox? We vaccinate against smallpox to allow the body to develop antibodies...
What’s the Difference Between Baking Soda and Baking Powder?
What’s the Difference Between Baking Soda and Baking Powder? Both baking soda and baking powder...
When Was Aspirin First Used?
Aspirin was first introduced into medicine in 1899 by H. Dreser of Germany. The word aspirin is actually the...
How Thick Is the Average Human Skull?
How Thick Is the Average Human Skull? The thickness of the average human skull, or that part of the skull...