NASA’s Mars Perseverance Rover Produces Oxygen on Another Planet for the First Time

A piece of space junk zipped by SpaceX's Dragon capsule on its way to the space station

Scientists found avoiding meat and dairy products is the single biggest way to reduce your environmental impact on the planet. Global farmland use could be reduced by more than 75% – an area equivalent to the US, China, EU and Australia combined – and still feed the world. [2018]

On Mars, NASA creates breathable oxygen