10 interesting facts about snakes that you never knew (+Pics)

5. Snakes That Get Automatically Tied Into Knots

In 2009, the serpents of Steinhart Aquarium in California were attacked by a strange and horrible virus causing uncontrollable illness known as ‘inclusion body disease’. Arenavirus is the possible cause behind this disease which straight away attacks the brain. It leads to some disturbing effects like ceaseless vomiting, swaying back and forth like a drunk, snakes rubbing itself against its own body and getting tied up into a big knot that cannot be undone, at least not by the snakes themselves. The bright side of it all is that it’s not contagious to humans.