Sniffing Underwater

A ScienceFriday video podcast from over a year ago on how the star-nosed mole and other mammals can actually sniff for prey underwater.

I wonder if this is what my dog is doing and she sticks her nose to the base of the door and snorts as people approach.

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THIS weird and wonderful creature is the star-nosed mole (Condylura cristata), a small, semi-aquatic mammal which inhabits the low wetlands of eastern North America. Like other moles, it ekes out an existence in a network of narrow underground tunnels, and digs shallow surface tunnels where it…
Sniffing brings molecules in the air around us into our nose, where they are detected and manifested in our brains as smells. But try the same trick underwater and you would rapidly choke or drown. Nonetheless, smell is a tremendously important sense for most mammals and at least two species…
Growing up as I did in the northeast, I always assumed that the really weird life forms lived somewhere else--the Amazonian rain forest, maybe, or the deep sea. But we've got at least one truly bizarre creature we can boast about: the star-nosed mole. Its star is actually 22 fleshy tendrils that…
Front view of a star-nosed mole. Credit: Ken Catania Dr. Kenneth Catania from Vanderbilt University presented his work with star-nosed moles at the Experimental Biology meeting last month in Chicago. These animals are really cool. Here are some facts from Dr. Catania about these crazy-looking…

Kinda makes me want to throw a Thanksgiving turkey in a pool and see if I can smell it. :3

Very cool.