The logo of the hydrocarb project. It shows bacterial cells in a water droplet, surrounded by a circular arrow

HYDROCARB – Novel hydrological and carbon cycle constraints from the isotopic composition of archaeal lipid biomarkers

The logo for the PETM nitrogen cycle project. It shows bacteria and animals swimming in a circle, symbolizing the ocean food chain

Nitrogen cycling during the Paleocene-Eocene Thermal Maximum

The logo of the BALTOX project, which shows stylized cyanobacteria and the molecular structure of an algal toxin.

BALTOX: Algal toxins in the Baltic Sea paleo-record

The logo of the Tolquin project, which shows the structures of quinones overlain by the letters TOLQUIN in the colors of the German and French flags

TOLQUIN: Quinone biosynthesis, diversity,
and evolution across the Tree of Life