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Seals sense shapes using their whiskers to feel wakes

Harlequinmania

By Harlequinmania,
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Harlequinmania

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Seals whiskers are remarkably sensitive. They can even pick up a fish's trail up to 35 seconds after it passed. Now a team of scientists in Germany has discovered that seals can tell differently shaped objects apart by sensing the objects' wake structures with their whiskers. This ability could help seals to identify prey before investing in a costly pursuit.

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1000 Gallon Tank in the Hole 

http://www.sgreefclub.com/forum/topic/120957-1000-gallon-3d-hole-in-the-wall/ 

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