Medicine Must Evolve Away from Prehistoric Crabs’ Blue Blood—Before the Next Pandemic

If you got a COVID vaccine, or any vaccine—or really any medical intervention over the past several decades—you can be sure that the blue blood of 450-million-year-old prehistoric arthropods known as horseshoe crabs was used to keep you safe. But in the U.S., lurking behind this magic potion is a fragile industry stubbornly dependent upon the traumatic bloodletting of a vulnerable species, compounded by a sea of red tape thwarting the widespread adoption of a viable alternative.

Here’s Why Trademarked Glowing Fish Aren’t Such a Bright Idea

Saltwater aquariums, though prized for their glorious colors and living reefs, are a massive undertaking. And the havoc the exotic fish trade wreaks on tropical sea life is no secret. But for people who are itching to adorn their homes with vibrant fish, science came up with an easy solution: fluorescent freshwater fish. And the pet industry lapped it up--but at what cost?