Cool Jobs: Saliva offers a spitting image of our health

Scientists are using this secretion to study our body’s functions, to test for disease and even to diagnose injury.

Cool Jobs: Saliva offers a spitting image of our health

Cool Jobs: Saliva offers a spitting image of our health

How to Spit: 13 Steps (with Pictures) - wikiHow

How the Sugars In Spit Tame the Body's Unruly Fungi

HS-LS1-2 Archives, Page 5 of 15

Kathiann Kowalski, Author at Science News Explores

What Are 'Spit Hoods,' and Why Do the Police Use Them? - The New

Clean It Up, Swimmers, Healthy Swimming, Healthy Water

Surprising Things About Spit - General Dentistry - Overland Park

When do kids learn to spit — and why is it important that they do

WAD Definition & Usage Examples

HS-LS1-7 Archives Science News Explores

Customer suspects annoyed waiter spat in soda; police use DNA to