Travelling in an auto rickshaw, a fellow passenger sitting next to driver spits. Few drops come to Prakash sitting right behind. When Prakash complains, passenger who spit retorts, ‘Wind is blowing ...

Let’s just get this out of the way: Frogs are cool. They jump. They thrive in water and on land. And their tongues are capable of sticking to bugs like glue—even ones heavier than they are. And now, ...

In the name of spit science, Douglas Granger and his colleagues have collected saliva samples from a restless polar bear, a college marching band and Navy medics dodging bullets in simulated combat.

Hock a loogie and you’ll see it — that slimy, bubbly, lovely liquid known as spit. A complex fluid known in more refined circles as saliva, the initial benefits of spit may seem obvious. Spit ...

Spit is critical for our health. Actually. Spit is critical for our health. Actually. Be Smart is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, ...