News BoT
RSS Feed
Joined: 11 May 2006
Posts: 32637
 |
 Posted: Tue Mar 18, 2014 8:00 am Post subject: The Narwhal's Tusk Is Filled With Nerves. But Why? |
  |
|
For centuries, the purpose of a narwhal's tusk has eluded explanation. Now, researchers suggest that these small whales use their tusks as sensory organs and speculate that sensing changes in seawater salinity might help male narwhals stay safe, and locate fish or females.
<div class='mf-viral'><table border='0'><tr><td valign='middle'>     </td></tr></table></div><br/><br/> <br/> <br/> <br/><br/> 
Read more...
Source: Wired Top Stories
Top Stories |
|
