when you start counting pennies on your bank account or in your pocket. we do the same and count our casualties. mourners have paid their respects to the last soviet leader, mikhail gorbachev, who was buried in moscow, this afternoon. nasa s second attempt to launch the artemis moon rocket has failed. launch control announced a second scrub on the mission after a liquid hydrogen leak which has started during the fuelling process couldn t be stopped. a brief hydrogen leak was spotted on the original launch date last monday but it was thought the sensors may have been wrong. that first launch attempt was halted after problems with pressure levels in one of the rockets four engines. our science correspondent, jonathan amos is there. thank you. a disappointing day to day. the second postponement in a number of days. this time for a slightly different reason. we had a hydrogen leak on this vehicle, there is huge rocket that you see behind me here. they have to fill it with 2.7 mil