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Episode 5, Season 3<br> The Bombardier Beetle And Its Crazy Chemical Cannon

Season 3 Episode 5

About the Episode

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?

Aired: 03/21/16 | Expires: | Runtime: 2m 46s