SciShow
Biofilm: A New (Gross) Thing to Worry About
Slime can be great, but when it's the wrong kind of slime (you know, the kind that can kill you?), it gets added to the list of things Hank wishes he didn't have to worry about. Scientists call it biofilm, and it's a type of bacterial...
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American Veterinary Medicine Association: How to Brush Your Pet's Teeth
Provides easy step-by-step instructions on how to brush your dog's or cat's teeth. Learn what a healthy treat is, the importance of good dental hygiene, and the risks of periodontal disease in pets. [5:17]