(IMAGE) Goethe University Frankfurt Caption The Taunus Observatory on the mountain Kleiner Feldberg near Frankfurt am Main houses the new "Medusa" device, which detects climate-relevant F-gases. Credit Markus Bernards for Goethe University Frankfurt Usage Restrictions To be used only when reporting on Goethe University Frankfurt. Indicated copyright as Markus Bernards for Goethe University License Original 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.