Шутки


New scientific theories III

New scientific theories

2nd RunnerUp- The 'Why Yawning Is Contagious' Theory: You yawn to equalize the pressure on your eardrums. This pressure change outside your eardrums unbalances other people's ear pressures, so they must yawn to even it all out.

Категория: Science (Наука)

Просмотров материала: 1855



Читайте также из категории Science (Наука):



ТОП-5 категории Science (Наука):