Scorpion (IMAGE) University of Wisconsin-Madison Caption A scorpion hides in an egg carton in a cage in a campus animal facility. Prashant Sharma, professor of integrative biology at the University of Wisconsin-Madison, studies how scorpions, spiders and other arachnids and arthropods have evolved. Credit Kelly April Tyrrell, University of Wisconsin-Madison Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.