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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Cairns Birdwing (Ornithoptera euphorion): Australia's largest endemic butterfly Cairns Birdwing (Ornithoptera euphorion): Australia's largest endemic butterfly
A depiction of slaves on a South Carolina plantation, around 1790. Likely of Yoruba descent, they pl A depiction of slaves on a South Carolina plantation, around 1790. Likely of Yoruba descent, they pl
From 1965 to 1968, American troops in Vietnam conducted “search and destroy” missions to shatter ... From 1965 to 1968, American troops in Vietnam conducted “search and destroy” missions to shatter ...
Adolescents are preoccupied with finding their place in the social group as well as society. Adolescents are preoccupied with finding their place in the social group as well as society.
Vienna: Social Structure and Social Interaction Vienna: Social Structure and Social Interaction
Who Goes to College? Comparing Social Class and Ability in Determining College Attendance Who Goes to College? Comparing Social Class and Ability in Determining College Attendance
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