High-speed video reveals how honey bee stingers pump venom

发生了什么

Co-author: “The unique geometry of the valves is the key; they act as collapsible pistons" to deliver venom.

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1. 13:03
   Ars Technica 最先出现AArs Technica
2. 01:05
   Hacker News 出现讨论HHacker News

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