Horseshoe crabs show up in the fossil record over 445 million years ago. Their blood is valuable in testing vaccines.

In this episode of Tiny Show and Tell Us, a listener writes in to tell us about being born 3 months premature likely due to their mom having HELLP syndrome, a variant of preeclampsia, and taking part ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. With copper-blue blood prized by modern medicine and a body ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The federal government is shutting down the ...

Blood is synonymous with bright red or deep maroon, but it certainly doesn’t generally bring to mind shades of blue. But blood that appears blue is not unheard of in the animal kingdom. This unusual ...

Two animal mysteries associated with coastlines intrigue me. Who ate the first raw oyster? Who picked up the first horseshoe ...

NAPLES, Florida (WBBH) — Horseshoe crabs have been around for millions of years, but did you know they also save human lives? “Their blood contains a factor which is highly, highly sensitive to ...

In this episode of C&EN Uncovered, host Craig Bettenhausen speaks with C&EN assistant editor Laurel Oldach about the use of horseshoe crab blood in pharmaceutical endotoxin testing, the challenges of ...

The post Understanding Nature's Blue-Blooded Creatures appeared first on A-Z Animals. Blood is synonymous with bright red or deep maroon, but it certainly doesn't generally bring to mind shades of ...