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Bee stingers work like tiny saw-powered pumps
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Bee stingers work like tiny saw-powered pumps

So, a honey bee’s detached stinger can keep pumping venom into a wound, and researchers have now filmed how this remarkable mechanism works. High-speed video showed that two saw-like lancets slide back and forth, helping the stinger move deeper while its valves pump venom continuously. The team used scans and a 3D-printed miniature model to confirm how the two pumping elements work together. Understanding this compact design could inspire gentler micropumps for delivering medicine.
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