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Bài viết của Nguyễn Mỹ Hương

Introduction to Religion

These sacred items inside a Hindu temple include a dancing Shiva; his consort, Pavarti; and, in front, elephant-headed Ganesh. (Photo courtesy of McKay Savage/flickr) Why do sociologists study religion? For centuries, ...

Tác giả: Nguyễn Mỹ Hương viết 14:55 ngày 25/05/2018 chỉnh sửa

Somatosensation

is a mixed sensory category and includes all sensation received from the skin and mucous membranes, as well from as the limbs and joints. is also known as tactile sense, or more familiarly, as the sense of touch. occurs all over the exterior of the body and ...

Tác giả: Nguyễn Mỹ Hương viết 14:54 ngày 25/05/2018 chỉnh sửa

What Is Marriage? What Is a Family?

The modern concept of family is far more encompassing than in past decades. What do you think constitutes a family? (Photo (a) courtesy Gareth Williams/flickr; photo (b) courtesy Guillaume Paumier/ Wikimedia Commons) Marriage and family are key ...

Tác giả: Nguyễn Mỹ Hương viết 14:54 ngày 25/05/2018 chỉnh sửa

Nervous System Control of Muscle Tension

To move an object, referred to as load, the sarcomeres in the muscle fibers of the skeletal muscle must shorten. The force generated by the contraction of the muscle (or shortening of the sarcomeres) is called muscle tension . However, muscle tension also is ...

Tác giả: Nguyễn Mỹ Hương viết 14:54 ngày 25/05/2018 chỉnh sửa

Ferromagnets and Electromagnets

Only certain materials, such as iron, cobalt, nickel, and gadolinium, exhibit strong magnetic effects. Such materials are called ferromagnetic , after the Latin word for iron, ferrum . A group of materials made from the alloys of the rare earth ...

Tác giả: Nguyễn Mỹ Hương viết 14:53 ngày 25/05/2018 chỉnh sửa

Photon Momentum

The quantum of EM radiation we call a photon has properties analogous to those of particles we can see, such as grains of sand. A photon interacts as a unit in collisions or when absorbed, rather than as an extensive wave. Massive quanta, like ...

Tác giả: Nguyễn Mỹ Hương viết 14:53 ngày 25/05/2018 chỉnh sửa

The Evolutionary History of the Animal Kingdom

Many questions regarding the origins and evolutionary history of the animal kingdom continue to be researched and debated, as new fossil and molecular evidence change prevailing theories. Some of these questions include the following: How long have animals ...

Tác giả: Nguyễn Mỹ Hương viết 14:53 ngày 25/05/2018 chỉnh sửa

Connections of Carbohydrate, Protein, and Lipid Metabolic Pathways

You have learned about the catabolism of glucose, which provides energy to living cells. But living things consume more than glucose for food. How does a turkey sandwich end up as ATP in your cells? This happens because all of the catabolic pathways for ...

Tác giả: Nguyễn Mỹ Hương viết 14:53 ngày 25/05/2018 chỉnh sửa

Collisions of Point Masses in Two Dimensions

In the previous two sections, we considered only one-dimensional collisions; during such collisions, the incoming and outgoing velocities are all along the same line. But what about collisions, such as those between billiard balls, in which objects scatter ...

Tác giả: Nguyễn Mỹ Hương viết 14:53 ngày 25/05/2018 chỉnh sửa

Resistance and Resistivity

The resistance of an object depends on its shape and the material of which it is composed. The cylindrical resistor in [link] is easy to analyze, and, by so doing, we can gain insight into the resistance of more complicated shapes. As you might ...

Tác giả: Nguyễn Mỹ Hương viết 14:52 ngày 25/05/2018 chỉnh sửa