How Are Horseshoe Crabs the Key to the COVID-19 Vaccines?

These creatures have been around for millions of years. They were even roaming Earth before the dinosaurs. And now they're helping us fight viruses. These unlikely heroes are horseshoe crabs. And there's more to them than you might think. So how many eyes do you think a horseshoe crab has? Why is their blood special? And why are horseshoe crabs the key to COVID-19 vaccines?

Thumbnail image credit: Ariane Mueller. https://horseshoecrab.org/poems-tales...

Crazy Creatures presents the incredible wonders of animal diversity and takes you to some of the most remote and hostile corners of the globe in order to find the ugliest, slimiest and downright weird creatures that grace the planet.

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