Science: Dynamic blood veins in the eye spectacle; tongue isn't just for smell!!

Why do snakes flick their tongues? (Hint: it’s not just about smelling): http://blogs.discovermagazine.com/se.../#.UosVleKc7u0
Snakes have poor eyesight, but can boost their vision if threatened: http://www.nbcnews.com/science/snake...ned-2D11577701
Really cool stuff!! :gj:

Thanks for sharing! Amazing animals they are