Researchers discover how we perceive bitter taste

Humans can sense five different tastes: sour, sweet, umami, bitter, and salty, using specialized sensors on our tongues called taste receptors. Other than allowing us to enjoy delicious foods, the sensation of taste allows ...

DNA-methods reveal the web of life

Modern DNA-based methods provide entirely new insight into the interaction between different species in nature. Researchers can finally reveal the details of who is eating whom, who pollinates what flower and who lives on ...

Climate archives under the magnifying glass

The fossil remains of algae continuously accumulate in marine sediments, and these can be used to reconstruct past oceanic conditions. Molecular fossils, called lipid biomarkers, are of particular importance for this. They ...

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