Topic: defense

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The Chemistry of Skunk Spray

Skunks are infamous for their awful-smelling odor, but they don't always smell that way. Their spray, a liquid full of stinky chemicals from their anal scent glands, is used strategically to chase away predators. In t...

Slime Cannon Attack – How Velvet Worm slime jets work

Giant velvet worms (Peripatus solorzanoi) are unusual creatures for many reasons -- including the fact that they are "not worms, not insects, millipedes, centipedes, or slugs" -- but their super-sliming glands, rapidl...

Swima bombiviridis (Green Bomber Worms)

This is the swima bombiviridis, a bioluminescent “Green Bomber” that was found in deep Pacific waters in 2009 by Karen Osborn of Scripps Oceanography. From ScienceMag.org:  Thousands of meters below...