Daniel D. Beck, professor of biology at Central Washington University, presents gila monsters and beaded lizards as two of the most intriguing lizard species in existence. Both are venomous, but their danger to humans is often misunderstood. In fact, their venom contains a substance that is helping to treat type-2 diabetes. Yet both species are vulnerable, and only recent studies by scientists such as Beck may be able to ensure the protection and survival of these enigmatic animals.
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