J. Graeser with Research Balloons (IMAGE) Helmholtz Association Caption Juergen Graeser, scientific technician at the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association, with research balloons on the Russian drift station NP 35. Credit Juergen Graeser / Alfred Wegener Institute Usage Restrictions The image is for one-time use related to reporting on the drift station NP 35. 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.