Prof Eliane Candiani Arantes heads the Laboratory of Animal Toxins at the School of Pharmaceutical Sciences of Ribeirao Preto, University of São Paulo (USP) where her group is working with toxins found in the venom of the Crotalus durissus terrificus rattlesnake and the Tityus serrulatus scorpion. They also study the venoms of scorpions from the Amazon region, which are still not well understood.