(A) Photosynthesis in land plants fixes atmospheric CO2 (inorganic carbon) as organic carbon, which is either stored as plant biomass or in soil, or is decomposed back to CO2 through plant and ...

Tutolo led a new study of rock samples collected by the Curiosity rover that might have answered this question. The mystery ...

NASA’s Curiosity rover has detected signs of significant amounts of carbon dioxide locked within the Martian crust, ...

as part of what is called ‘the global carbon cycle.’ A change in any of these fluxes could have wide-ranging impacts on ecosystems and our climate. The IAEA Environment Laboratories apply nuclear and ...