When Sparks Fly | Tomorrow Today - The Science Magazine | DW | 15.09.2017
  1. Inhalt
  2. Navigation
  3. Weitere Inhalte
  4. Metanavigation
  5. Suche
  6. Choose from 30 Languages

Tomorrow Today

When Sparks Fly

Fireflies looking for a mate flash through the summer evening in many parts of the world. But the light has nothing to do with romance. It's a biochemical reaction that causes a signal in the fireflies' glow cells.

Watch video 05:24
Now live
05:24 mins.