Frog spit might be some of the catchiest spit on the planet. That's according to new research on frog saliva, which shows that the sticky stuff is tailor-made to grab bugs. It helps to explain how ...
The spit a five-year-old child produces in a single day, according to one estimate, could fill a 16-ounce soda cup.) Where we have salivary glands, the frog tongue itself produces spit. Even when you ...