Five WIRED stories you may have missed this week Nasa can't send humans to Mars until it gets the food right In the 2030s, Nasa has plans to send a crew on a three-year mission to Mars. But if they can't get the menu right, the mission might never make it off the ground. Powered food is back to take on sandwiches and cereal British company Huel makes meals you can drink – but can they solve the flavour challenge? WIRED recommends: The best coffee machines Whether you're a sandal-sporting bearded barista or a regular joe looking for a regular cup of joe, we've tried the best coffee machines around so you can get your caffeine fix in style. DPD’s belated decision shows time is up for gig economy exploitation All DPD couriers will now have access to basic employment rights after the death of one worker exposed the harsh conditions faced by thousands of gig economy delivery drivers. ...