How do a frog's tongue and saliva work together to be sticky enough to lift 1.4 times the animal's body weight? Painstaking lab work found their spit switches between two distinct phases to nab prey.
It's possible -- but rare -- for a lick from the family pup to transmit bacteria that can cause dangerous blood poisoning.
By learning a bit more about these body fluids, we can develop a deeper appreciation for the beauty and complexity of our own biology.
Overweight children show significantly altered levels of “biomarkers” in their saliva after fasting, new research shows…