Picture a dolphin diving toward the seafloor with something odd on its nose. It is not a shell or a fish. It is a sea sponge. The dolphin isn’t playing; it’s using the sponge as a diving mask: a clear ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) But it wasn’t until the 1960s that methodical research into dolphin communication ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. But it wasn’t until the 1960s that methodical research into dolphin communication began.

This article is republished from The Conversation, an independent and nonprofit source of news, analysis and commentary from academic experts. Laela Sayigh is a Senior Research Specialist on Cetacean ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Laela Sayigh, Woods Hole Oceanographic Institution (THE CONVERSATION) Human ...