How small can an organ get while remaining functional? Parasitic wasps from the Megaphragma genus are ideal organisms in which to investigate this question. Using a range of senses, including vision, ...

The ubiquitous P-loop fold nucleoside triphosphatases (NTPases) are typically activated by an arginine or lysine ‘finger’. Some of the apparently ancestral NTPases are, instead, activated by potassium ...