The paper tries to make it sound like it solved a long-standing mystery, while it basically just confirms the most obvious explanation: Insects use artificial (

The paper tries to make it sound like it solved a long-standing mystery, while it basically just confirms the most obvious explanation: Insects use artificial (close) light sources like a natural (distant) light source for navigation, which makes them eventually spiral towards the light most of the time. The methodology and resulting graphics are interesting, but the underlying geometry of the effect is not really new or surprising.