Have you ever seen this animal? It is called horseshoe crab and is one of the oldest species, looking like an alien from the movies.
But this crab is actually very important for us – something that became clear in the recent decades.
Medicine’s most noble work with one of the most expensive resources – horseshoe crab blue blood, is something you should definitely know about. Learn more here:
Source: NATURE | Crash: A Tale of Two Species | Blue Blood | PBS
