SydneyMacquarie University researchers filmed a detached bee stinger pumping venom.
A stinger left in skin keeps injecting after the bee flies away.
High-speed video of detached stingers in gel showed valves on two sliding lancets inflating like parachutes to seal the chamber.
Authors of the Proceedings of the National Academy of Sciences paper say it could inform artificial pumps.
How each outlet framed it
- Ars Technica
- explains the honey bee stinger's double-piston pump mechanism that keeps venom flowing after the bee leaves
Sources: Ars Technica