14 Venomous Shrew And Lizard: Harmless Digestive Enzyme Evolved Twice Into Dangerous Toxin In Two Unrelated Species Venomous Shrew And Lizard: Harmless Digestive Enzyme Evolved Twice Into Dangerous Toxin In Two Unrelated Species Science & Tech  (tags: Venomous Shrew And Lizard, scientists, study, interesting ) Ingrid - 34 days ago - sciencedaily.com Biologists have shown that independent but similar molecular changes turned a harmless digestive enzyme into a toxin in two unrelated species -- a shrew and a lizard -- giving each a venomous bite. add comment send green star

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Ingrid Peeters
Ingrid P.	Ingrid's contributions: Stories noted recently: 373 Stories submitted: 3145 Front Page stories: 753