With copper-blue blood prized by modern medicine and a body plan older than dinosaurs, the horseshoe crab reveals how ancient ...

If you have ever gotten a vaccine or received an intravenous drug and did not come down with a potentially life-threatening fever, you can thank a horseshoe crab (Limulus polyphemus). Horseshoe crab ...

If you have ever gotten a vaccine or received an intravenous drug and did not come down with a potentially life-threatening fever, you can thank a horseshoe crab (Limulus polyphemus). How can animals, ...

An enzyme in the blue blood has been key to testing vaccines since the 1980s, raising concerns for the crabs’ population. But regulatory approval and new data are signaling the tide may be turning ...

Horseshoe crabs, those almost pre-historic-looking creatures that we occasionally see washed up on the shore, hold a special place in medicine. But that's about to change. Horseshoe crabs, Limulus ...

Limulus polyphemus - the Atlantic horseshoe crab, found along the Atlantic coast of the United States and the Southeast Gulf of Mexico. By Breese Greg, U.S. Fish and Wildlife Service, CC 3.0. Limulus ...

Mass Audubon's science coordinator Mark Faherty examines a horseshoe crab in Pleasant Bay, where he has conducted research on them for years. John Tlumacki/The Boston Globe via Getty Images If you ...

This material is based upon work supported by the National Science Foundation under Award No. 2121146, as well as the Leverhulme Trust through a Leverhulme Trust Research Project Grant. Any opinions, ...