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The average office desk has 400 times more bacteria on it than a toilet.

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Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Some male birds and mammals congregate in communal courting grounds called leks. Some male birds and mammals congregate in communal courting grounds called leks.
The breeding and wintering grounds of the American redstart, Setophaga ruticilla. The breeding and wintering grounds of the American redstart, Setophaga ruticilla.
Many salmon spawning grounds, such as the Little Qualicum River in British Columbia, consist of wate Many salmon spawning grounds, such as the Little Qualicum River in British Columbia, consist of wate
Examples of Medical Necessity Criteria Examples of Medical Necessity Criteria
Video: Mendel's Principles of Dominance, Segregation and Independent Assortment

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