Victoria kicks things of this week with a fascinating new study on Potter wasps showing that the males actually can defensively "sting" even though they don't have a classic stinger. If you are a fan of defensive genitalia, this story's for you!

Kirk keeps it with insects and defense this week and tells us a bit about the irritating hairs of caterpillars, how some of them have toxins and and how they can get into your eyes. No thanks. 

Rachel takes us to a small island off the coast of Yemen to introduce us to the endangered Dragon's Blood Tree. It isn't just rare, it is strange too. 

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