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How Smell Works

A good sense of smell can be a gift and a curse, but scientists have found smells may also be instrumental in triggering memories. Learn more about smell in this HowStuffWorks video.

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How Smell Works (1:49)

Scientists have found smells may also be instrumental in triggering memories. Learn more about smell in this HowStuffWorks video.

Watch this video from the University of Chicago showing results of an empathy test. Researchers have shown that some people can turn on and off their empathy switch - such as doctors that have to inflict pain to ultimately help patients.

Reality Matters: Body Image and the Monster Within (6:18)

This clip explains how society's ideal of the "perfect body" relates to eating disorders.

Reality Matters: Body Image and Substance Abuse (6:04)

This clip explores body image problems and their connection with substance abuse.

Reality Matters: Self Images of Teens and Children (4:19)

This clip shows what children and teenagers do to influence their self images.

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The Mirror in My Mind: Body Image and Self Esteem (29:00)

Body-image anxiety is a problem for many teens, who exaggerate perceived flaws and depress themselves with negative self-talk. Learn more about body image and self-esteem in this video.

The Truth about Body Image: Dangerous Beauty (21:00)

Teens are faced with many pressures about body image, including the muscle men and waifish women featured in ads and magazines. This program shows its teenage participants how popular ideas of "beauty" can damage teens physically and... More »

Don't Stop Before You Get Started: Positive Self Image (18:43)

Specifically targeted to viewers in grades 5 through 9, "Don't Stop Before You Get Started" promotes positive self-image in a lively, humorous manner that appeals to kids.

Gloss: The Pressure to Look Sexy (14:00)

Girls in modern society are pressured to look, dress and act older than they are. This video explores the conflict between authentic individuality and cultural stereotypes, and the confusion and personal consequences of being someone you're not.