Скачать или смотреть Why Do Some Animals Have Blue Blood?

In this video, we explore one of nature's most bizarre and fascinating phenomena: the blue blood of the horseshoe crab. While humans and most vertebrates have iron-based hemoglobin that makes our blood red, some animals, like this ancient mariner, evolved differently.
We break down the science behind hemocyanin, the copper-based protein that gives their blood its signature blue hue when exposed to oxygen. Not only is it a visual wonder, but this unique blood is also incredibly important for human medicine.
Did you already know about blue-blooded animals? Let us know your answer in the poll and share what other weird animal facts you love in the comments below!
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