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Science and Nature

The Bombardier Beetle And Its Crazy Chemical Cannon

See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.

The Bombardier Beetle And Its Crazy Chemical Cannon

Season 3 Episode 5 | 2m 46s | CC

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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