Sustainable solar power
Getting energy from the sun isn’t renewable until the panels are recyclable. James Mitchell Crow talks to the scientists making it happen
Drugging RNA
Some medicinal chemists have changed their focus from proteins to target RNA, finds Rachel Brazil
The hellish chemistry of Venus’ atmosphere
The potential presence of phosphine on Venus is only the latest twist in the strange chemistry of our planetary neighbour, finds Clare Sansom
Marking the Anthropocene
The idea that we’re in a human-influenced geological epoch is gaining traction, but how will future geologists measure it? Rachel Brazil finds out
DNA machines get a move on
Devices made from nucleic acids are starting to find their feet, says Nina Notman
