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Did you know?

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.

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It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Heme consists of a complex organic ring structure, protoporphyrin Heme consists of a complex organic ring structure, protoporphyrin
The Schrader valve on this General Motors 3800 V-6 is located next to the fuel-pressure regulator. The Schrader valve on this General Motors 3800 V-6 is located next to the fuel-pressure regulator.
Illustration of the penicillin structure. The β-lactam ring gives penicillin its antibacterial ... Illustration of the penicillin structure. The β-lactam ring gives penicillin its antibacterial ...
Model of how direct repeats generated during the insertion of a transposon or an insertion sequence Model of how direct repeats generated during the insertion of a transposon or an insertion sequence
Tricuspid stenosis Tricuspid stenosis
The insertion of a DNA transposon The insertion of a DNA transposon
Video: Brain Anatomy Animation (Part 2 of 2)

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