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The beetle with a reload button

1/4
This beetle does not fire one long stream.
It fires defensive spray in pulses. šŖ²

2/4
Inside, chemicals meet in a reaction chamber.
That creates pressure for the defensive spray.

3/4
A flexible membrane closes the passage during the shot.
After spray leaves, pressure falls and it reopens.

4/4
So the spray comes out as repeatable bursts, not a nonstop blast.
Nature really built a pressure-powered reload. Species can vary. š
Sounds fake: bombardier beetles can fire defensive spray in pulses. A flexible membrane helps reset pressure for the next shot. Nature built a reload button. šŖ²
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