by Christoph — What you see here in Fig­ure 1d com­petes with a NASA photo from 2012 for the best shot of the Milky Way but – spoiler alert! – it's ac­tu­ally a close-up of some hum­ble mi­crobes gath­ered on a grain of sand. I con­cluded the pre­vi­ous post about bac­te­ria on sand grains with the ques­tion: and where are the archea? The rea­son for...