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Bài viết của Nguyễn Mỹ Hương

Energy Stored in Capacitors

Most of us have seen dramatizations in which medical personnel use a defibrillator to pass an electric current through a patient’s heart to get it to beat normally. (Review [link].) Often realistic in detail, the person applying the shock directs ...

Tác giả: Nguyễn Mỹ Hương viết 15:01 ngày 25/05/2018 chỉnh sửa

Racial, Ethnic, and Minority Groups

While many students first entering a sociology classroom are accustomed to conflating the terms “race,” “ethnicity,” and “minority group,” these three terms have distinct meanings for sociologists. The idea of race ...

Tác giả: Nguyễn Mỹ Hương viết 15:01 ngày 25/05/2018 chỉnh sửa

Theoretical Perspectives on Social Stratification

Basketball is one of the highest-paying professional sports. There is stratification even among teams. For example, the Minnesota Timberwolves hand out the lowest annual payroll, while the Los Angeles Lakers reportedly pay the highest. ...

Tác giả: Nguyễn Mỹ Hương viết 15:01 ngày 25/05/2018 chỉnh sửa

Bone Structure

Bone tissue (osseous tissue) differs greatly from other tissues in the body. Bone is hard and many of its functions depend on that characteristic hardness. Later discussions in this chapter will show that bone is also dynamic in that its shape adjusts to ...

Tác giả: Nguyễn Mỹ Hương viết 15:01 ngày 25/05/2018 chỉnh sửa

Theoretical Perspectives on Deviance

Functionalists believe that deviance plays an important role in society and can be used to challenge people’s views. Protesters, such as these PETA members, often use this method to draw attention to their cause. (Photo ...

Tác giả: Nguyễn Mỹ Hương viết 15:01 ngày 25/05/2018 chỉnh sửa

Collisions of Extended Bodies in Two Dimensions

Bowling pins are sent flying and spinning when hit by a bowling ball—angular momentum as well as linear momentum and energy have been imparted to the pins. (See [link]). Many collisions involve angular momentum. Cars, for example, may spin and collide on ...

Tác giả: Nguyễn Mỹ Hương viết 15:00 ngày 25/05/2018 chỉnh sửa

Formation of New Species

Although all life on earth shares various genetic similarities, only certain organisms combine genetic information by sexual reproduction and have offspring that can then successfully reproduce. Scientists call such organisms members of the same biological ...

Tác giả: Nguyễn Mỹ Hương viết 15:00 ngày 25/05/2018 chỉnh sửa

The Evolution of Primates

Order Primates of class Mammalia includes lemurs, tarsiers, monkeys, apes, and humans. Non-human primates live primarily in the tropical or subtropical regions of South America, Africa, and Asia. They range in size from the mouse lemur at 30 grams (1 ounce) ...

Tác giả: Nguyễn Mỹ Hương viết 15:00 ngày 25/05/2018 chỉnh sửa

Social Constructions of Reality

Who are we? What role do we play in society? According to sociologists, we construct reality through our interactions with others. In a way, our day-to-day interactions are like those of actors on a stage. (Photo ...

Tác giả: Nguyễn Mỹ Hương viết 14:59 ngày 25/05/2018 chỉnh sửa

Theoretical Perspectives on Government and Power

French sociologist Emile Durkheim, often called the Father of Sociology, viewed government as interdependent with other parts of society. (Photo courtesy of Wikimedia Commons) Sociologists ...

Tác giả: Nguyễn Mỹ Hương viết 14:59 ngày 25/05/2018 chỉnh sửa