Chemistry is fun. Too hard for precise physics (pre quantum computing, see also quantum chemistry), but not too hard for some maths like social sciences.
And it underpins biology.
A massive group of research institutes scattered across Germany. The constituent institutes are known as "Max Planck Institutes (for|of) X". They are primarily known for their incredible natural science research, but they also cover social sciences.
Map of the Max Planck Institutes
. Source.