Posts tagged kiss

September 8, 2015

Why Do People Kiss?

Smooching feels good, of course, but couples first started swapping saliva as a way to test out genetic compatibility.

Frogs also aren’t fussy eaters: any live prey will do. Some large species of frogs can gulp up a mouse, bat, or small snake in one mouthful, which is fortunate, because frogs can’t chew. If they have any teeth at all, they’re usually only good for holding onto the prey.