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Science
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The systematic study of the physical, natural and social world with the goal of establishing core truths and developing general laws.
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Social science
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The study of human society and of the interactions among people within society. Distinct from the natural sciences, such as physics and biology.
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Technology
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The techniques, skills, methods, and processes used to solve problems, produce goods and services, improve the quality of life, and extend life.
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Primary health care
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Health care that is basic, personal, and general, and geared towards initial treatment rather than dealing with specialized or advanced problems.
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Universal health care
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Health care made available to everyone at little or no direct cost, regardless of preexisting conditions or ability to pay.
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Pandemic
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An outbreak of an infectious disease over a large region, spilling over borders and perhaps spreading globally.
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Infectious disease
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One caused as a result of contamination by microorganisms capable of hosting and transferring the disease, such as bacteria, viruses, and parasites.
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Digital revolution
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The revolution in the generation, storage, and sharing of digital information.
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Digital divide
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Differences in levels of access to information and communication technology, whether between individuals, communities, geographic areas, or countries.
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Digital citizenship
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Using information technology in order to engage with politics, government, society, and community.
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Mass media
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Channels of communication – such as television, radio, and websites – that reach a large number of people.
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Global village
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A metaphor conveying the idea that electronic media have reduced the size of the world by tightening the connections among humans.
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Echo chamber
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A metaphor describing the manner in which ideas circulate within a closed system, and are amplified and reinforced by repetition.
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Tourism
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Short-term travel for business or pleasure.
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