Frog tongues are being studied to help engineers develop new reversible adhesives.
How can your tongue turn black after having a stomach illness?
Lips are made of very sensitive tissue and, because we use our mouths constantly, are over-exposed to harsh environmental factors.
Animals and plants take part in an evolutionary dance of chemical warfare.
Saliva doesn't just help with digestion; it also aids your body's fight against disease and infection.
Did you know that there could be more bacteria living in your mouth than there are people on earth?
Got tooth decay? You are not alone.
Is there such a thing as poisonous rats? (We think it would make a great horror movie!)
Why do we prefer "Mom's cooking" over another persons?