You cannot do *anything* in front of a Quaker parrot that you do not want repeated back, and that includes having a simple ...

‘Sneeze neurons’ activated by triggers such as pollen or a viral infection send an achoo signal, whereas cough neurons induce a hack. Does a whiff of pollen trigger a sneeze or a cough? Scientists ...

Sneezing and coughing are two different ways of accomplishing the same. One involves the nose and mucus, the other the mouth and mucus, but both are defensive respiratory reflexes designed to expel ...