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SciShow
When Sled Dogs Saved an Alaskan Town
In 1925, 20 teams of sled dogs braved the harsh Alaskan winter to carry a package of diphtheria antitoxin over 1000 km to save a small town from a deadly outbreak!
SciShow Kids
Meet Your Tonsils!
Has your doctor ever asked you to stick out your tongue and say "ah"? They're probably checking out your tonsils! But what are your tonsils, and what do they do?
Khan Academy
Khan Academy: What Is a Tonsillectomy?
This video describes the function of the tonsils and possible reasons for removal (tonsillectomy). [7:53]
Khan Academy
Khan Academy: Tonsillopharyngitis Complications, Diagnosis, and Treatment
This video explains the illness strep throat, caused by the streptococcal bacteria. Learn what causes strep throat, diagnosis, complications, and treatment. [10:29]