Termites, prairie dogs, and people are all great builders, each in their own way. We all share one crucial problem: Put a bunch of us in a closed space, breathing oxygen in, breathing CO2 out… it doesn’t end well.

To solve this issue in both skyscrapers and mines alike, humans install huge ventilation systems that keep the air fresh and healthy for inhabitants. Animal architects have excellent ventilation systems, too. In this episode of It’s Okay To Be Smart, we learn How Ingenious Animals Have Engineered Air Conditioning.

Read more about the Coandă effect.

Plus, check out The Cycle: Carbon and Oxygen and You and these related vids: Excavating a giant ant hill, weaver birds design and build intricate nests, a thirsty wasp brings water to nest in slow motion, and why do leafcutter ants cut leaves and carry them away?

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