From the Department of  Things You Didn’t Really Need Another Reason to Be Scared Of, comes this surprising factoid on arachnid physiology. 

French researcher Julien Petillon knew that spiders were hard critters to drown, but he quite reasonably wanted to find out just how deep this defense against grim aquatic death ran. So, Petillon did what any reasonable person would do and started drowning wolf spiders.

Now, the fact that the marsh dwelling spiders took a full 24 hours of submersion to drown should be unnerving enough to send any right thinking person into a fit of the heebiest jeebies. But what happened next is an episode woven from strands of pure nightmare. From Discovery News:

As they lay drying in Petillion’s laboratory at the University of Rennes in France, something odd happened: the ‘dead’ spiders began to twitch. First one small movement, then another — before long the salt marsh spiders were skittering about as though nothing had happened.

Just something to think about next time you try and flush an eight legged home invader down the drain.

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