The truth in science

@article{Breuer2009TheTI,
  title={The truth in science},
  author={Reinhard A. Breuer and Michael Springer},
  journal={General Relativity and Gravitation},
  year={2009},
  volume={41},
  pages={2159-2167}
}
Are natural scientists gaining an ever more complete picture of reality through their objective insights, or are the truths of the natural sciences no more than consensuses that change with time? The astrophysicist Jürgen Ehlers and the social scientist Rudolf Stichweh talk to Spektrum.