You’d think a nimble stinger and powerful pincers would be enough. But some scorpions have another defensive strategy ­­– hissing.The behavior is not well-studied and few recordings exist. But now scientists have a greater appreciation for the way scorpions produce these sounds, which may be unique among land animals.Read more at New Scientist: Some Scorpions Can Hiss By Rubbing Themselves with 'Sandpaper'.