The fact that these carbon and oxygen isotope values are higher than anything else measured on Earth or Mars points towards a ...

The universality of calcium as an intracellular messenger depends on its enormous versatility. Cells have a calcium signalling toolkit with many components that can be mixed and matched to create ...

† Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, North Zhongshan Road 3663, Shanghai 200062, China ‡ School of Life Sciences, ...