"A scorpion's anus is at the end of its tail. If the tail breaks off, the scorpion can never poo again." – Ed Yong, describing a newly documented case of autotomy (i.e. self-amputation) in scorpions. If talk of collateral anus amputation doesn't make you want to read about scorpion tails, what the hell are you even doing on the Internet?

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Photo Credit: Mattoni et al, 2015