Deep Look | The Bombardier Beetle And Its Crazy Chemical Cannon | Season 3 | Episode 5 | PBS
By Owner - Deep Look - Powered By PBSFrom Pbs OrgSeptember 6, 2025
When attacked, this beetle sets off a rapid chemical reaction inside its body, sending predators scrambling. This amazing chemical defense has some people scratching their heads: How could such a complex system evolve gradually—without killing the beetle too?
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