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Super Smeller

Super Smeller (1:19)

Watch this video about super smelling on HowStuffWorks. Researchers found the genetically-altered mice lacked a certain nervous system protein related to smell. See how super smelling works in this video from ScienCentral.

Dry Mouth

Dry Mouth (1:16)

Watch this video about dry mouth on HowStuffWorks. That sticky, cotton-mouth sensation you may get when you're nervous or after you speak for an extended period is often called "dry mouth". But reports indicate that for 25% of American adults, it... More »

What Causes Halitosis (Bad Breath)?

What Causes Halitosis (Bad Breath)? (1:00)

Watch this video about halitosis on HowStuffWorks. Halitosis is the medical term for bad breath, and is caused mainly by rotting food in your teeth. Learn what else can cause halitosis and how to treat this condition in this video from the American... More »

Tips on Preventing Canker Sores from the ADA

Tips on Preventing Canker Sores from the ADA (0:59)

Watch this video about canker sores on HowStuffWorks. Canker sores are small, non-transferable ulcers in the mouth. Learn how to detect and prevent canker sores in this video from the American Dental Association.

Strep Throat is Worse Than You Think

Strep Throat is Worse Than You Think (1:18)

Watch this video about strep throat. University of Florida research shows strep infections may have much larger effects than just a sore throat. Learn about strep throat in this research video from the University of Florida.

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100 Greatest Discoveries: The Invention of Insulin

100 Greatest Discoveries: The Invention of Insulin (2:02)

Diabetes would still take countless lives if it were not for this unique drug. Learn more about the discovery of insulin on The Science Channel's "100 Greatest Discoveries."

100 Greatest Discoveries: Invention of Sulfa Drugs

100 Greatest Discoveries: Invention of Sulfa Drugs (1:41)

Sulfa is a chemical substance that can cure and prevent bacterial infections. Learn more about its discovery on The Science Channel's "100 Greatest Discoveries."

100 Greatest Discoveries: Penicillin Development

100 Greatest Discoveries: Penicillin Development (2:14)

Penicillin is one the medical field's biggest breakthroughs and saved countless lives. Learn more in this video from The Science Channel's "100 Greatest Discoveries."

100 Greatest Discoveries: Blood Transfusion

100 Greatest Discoveries: Blood Transfusion (2:03)

Austrian physician Karl Landsteiner discovered that not all human blood is the same, and that there are four different blood types. Learn more about the beginnings of blood transfusion on the Science Channel's "100 Greatest Discoveries."

Kapow Superhero Science: Artificial Bones

Kapow Superhero Science: Artificial Bones (1:59)

Learn about artificial bones and how they are now able to grow within the body on The Science Channel's "Kapow! Superhero Science."

Kapow Superhero Science: Limb Regeneration

Kapow Superhero Science: Limb Regeneration (2:17)

Salamanders are able to grow new limbs. Learn more about the possibilities of humans re-growing limbs on The Science Channel's "Kapow! Superhero Science."

100 Greatest Discoveries: HIV Research

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 Shorts: Cancer Theories

100 Greatest Discoveries Shorts: Cancer Theories (2:58)

Cancer cells may already be inside us on the cellular level, just waiting to be activated. Learn more in this clip from the Science Channel's "100 Greatest Discoveries."

100 Greatest Discoveries Shorts: Germ Theory

100 Greatest Discoveries Shorts: Germ Theory (2:42)

In 1846 at Vienna General Hospital, doctors began to speculate about the possibility of unseen organisms causing disease. This marked the beginning of the germ theory. Learn more on the Science Channel's "100 Greatest Discoveries."

100 Greatest Discoveries: Discovery of X-Rays

100 Greatest Discoveries: Discovery of X-Rays (2:54)

German physicist Wilhelm Roentgen accidentally stumbled on this world altering technology. X-Rays had radiation capabilities then unknown to scientists. Learn more in the Science Channel's "100 Greatest Discoveries."