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100 Greatest Discoveries: HIV Research

Related Article: Learn more about health-related issues in our medical encyclopedia.

HIV, the retrovirus that causes AIDS, continues to puzzle scientists even today, decades after its discovery. Learn more about HIV in this clip from The Science Channel's series, "100 Greatest Discoveries."

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New Technology Means Fewer Breast Biopsies (2:10)

Watch this video about a new technology used in diagnosing breast cancer on HowStuffWorks. Eight out of ten biopsies turn up negative for cancer. Learn how this new technology will help eliminate unnecessary biopsies in this video from Medialink.

Diet Doctor: Keep your Diet at the Party (1:33)

The Diet Doctor from FitTV shows how to stay on a diet at a party.

Diet Doctor: Healthy Pizza (1:02)

The Diet Doctor from FitTV shows how to choose a healthier pizza.

Diet Doctor: Get Healthy By Eating Fish (1:33)

FitTV's Diet Doctor discusses how you can get healthy by eating fish.

Eating Disorders: Psychological Facts (5:32)

Check out this clip, in which young people discuss the psychology of eating disorders.

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Ripple Effect Shorts: Toxoplasma Gondi (0:44)

On the Animal Planet series "Ripple Effect," we learn about Toxoplasma Gondi. It is a parasite that lives in a cat's feces and can infect both humans and animals. Learn more in this video.

What's To Love: Dust Mites (0:49)

On Animal Planet's "What's to Love?" we learn about dust mites that live in your beds and eat your dead skin, sweat and saliva. They cannot be seen by the naked eye and are only visible when magnified 2,000 times.

Buggin' With Rudd: Dehydration (1:38)

Host Ruud Kleinpaste explains why water is more important than food when battling dehydration. Learn more about dehydration on Animal Planet's "Buggin' with Ruud".

Buggin with Ruud: Heat Shock (1:04)

During his quest to find the ultimate desert survivor, host Ruud Kleinpaste battles punishing desert heat. If left untreated, heat shock can develop and have lethal consequences. Find out more on Animal Planet's, "Buggin' with Ruud".

What the Ancients Knew: Yoga in Practice (1:00)

Yoga's goals are to restore the flow of vital energy around the body. Learn more about yoga methods that were first developed in ancient India on The Science Channel's, "What the Ancients Knew" series.

100 Greatest Discoveries: HIV Research (2:43)

HIV, the retrovirus that causes AIDS, continues to puzzle scientists even today, decades after its discovery. Learn more about HIV in this clip from The Science Channel's series, "100 Greatest Discoveries."

100 Greatest Discoveries: The Beginning of Anesthesia (2:38)

Anesthesia allowed surgeries to be completely painless for the patient. Learn how it was discovered on the Science Channel's "100 Greatest Discoveries."

Exploring Time: Arrhythmia Test (2:45)

Arrhythmias are the most common cause of death in the United States. Learn more about how doctors are studying arrhythmia on the Science Channel's "Exploring Time."

History in the Making: The AIDS Crisis (5:01)

By 1985, 12,000 Americans had AIDS, 1 to 2 million were infected with HIV, and 7,000 had died.

History in the Making: Cholesterol (0:30)

Click here to learn more about the 1984 coronary primary prevention trial and its effect on our understanding of cholesterol.