Horseshoe crabs, with their alien appearance and mysterious blue blood, are not the crabs they’re named for, nor are they relics to be ignored. These magnificent survivors date back hundreds of ...

Blood is often associated with the color red, but in the animal kingdom, it comes in a surprising range of hues. From the ...

The pharmaceutical industry has long relied on a test that uses a protein called LAL taken from the blood of American ...

When our blood mixes with oxygen, it turns red, but horseshoe crab blood turns blue, which is key to its value in the medical field. “The copper has these special coagulating properties ...

Biomedical companies also harvest horseshoe crabs and drain their blue blood, which is used to detect toxins in drugs and medical devices. Horseshoe crab blood harvests have virtually doubled since ...

Have you ever seen an animal with Blue Blood? While this may sound unusual, animals with blue blood do exist. While most vertebrates, including humans, have red blood cells due to hemoglobin ...

Eli Lilly and Company is shifting away from using horseshoe crabs, specifically their blood that’s used to detect dangerous bacterial toxins, to now using a synthetic alternative. “We test ...