The Blue Tarantula (IMAGE) Karlsruher Institut für Technologie (KIT) Caption The blue tarantula (Poecilotheria metallica) inspired researchers to produce non-iridescent structural colors. Credit (Photo: Tom Patterson) 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.