Ecuador’s Cotopaxi volcano has a deep and distinct voice. Between late 2015 and early 2016, Cotopaxi repeated an unusual pattern of low-frequency sounds that researchers now say is linked to the ...

Look at that mountain! Imagine you are standing at the base of a volcano looking up. You were told that the volcano isn’t going to erupt anytime soon, but you notice a little bit of smoke (or is that ...

Nick and Sally copy a sound pattern of buzzes and bells, to unlock a door. When a locked door plays a series of sounds, Nick and Sally try to repeat the sounds, to get the door to unlock. It works!