OMG sciencefromHarvard Gazette2 months agoHinting at answer to a chicken-or-egg question on evolution - Harvard GazetteResearch may enlighten the evolution of oxygen production and consumption in photosynthesis and aerobic metabolism.
OMG sciencefromArs Technica3 months agoTurning the Moon into a fuel depot will take a lot of powerProducing oxygen on the Moon for fuel is energy-intensive, requiring about 24 kWh per kilogram, impacting future space exploration plans.