Paul Scherrer Institute PSI scientist Adrian Wanner is working to understand how neurons are connected in the brain – a challenge that demands new imaging methods like X-ray ptychography. Scientists ...

Optogenetics is an elegant technique of controlling neurons in the brain using light. Neurons are loaded with special light-sensitive proteins called opsins that sense light (in the visible range), ...

The human body and its organs are composed of a wide variety of cell types. Although all cells contain the same genes, they function very differently—partly because protein interactions differ between ...