GREEN, MEAN, AND UNSEEN

Octopuses have three hearts and blue blood. Built with premium hardware.

✓ TRUE FACT
Two hearts pump blood to the gills and one pumps it to the rest of the body. Their blood uses copper-based hemocyanin, which makes it appear bluish and works well in cold, low-oxygen water.

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Penguins waddle because they’re walking with confidence, not struggle. It’s a runway, not ice.Some turtles can breathe through their butts. Evolution got creative.Dolphins jump because they’re showing off. It’s not even subtle.Cacti have spines because they got tired of being emotionally available. Boundaries, but botanical.Rain smells good because the Earth sprays perfume when it’s feeling refreshed.Whales sing because they’re underwater divas.See all Green, Mean, and Unseen facts →

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Octopuses have three hearts and blue blood. Built with premium hardware. | SmartAss Facts