Still Waters Posted October 31, 2013 #1 Share Posted October 31, 2013 Snakes can control blood flow in their "spectacles", scientists have found. The animals are known for their lack of eyelids, and instead have a transparent scale covering their eyes for protection. These "spectacles" contain blood vessels, and researchers investigated how this arrangement does not obscure vision. http://www.bbc.co.uk/nature/24725971 1 Link to comment Share on other sites More sharing options...
pallidin Posted October 31, 2013 #2 Share Posted October 31, 2013 Nature never ceases to amaze me. Link to comment Share on other sites More sharing options...
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