Trilobites: They’re Hosting Parasitic Worms in Their Bodies to Help Treat a Neglected Disease 17 healthy volunteers were paid to help prove a method of testing vaccines for schistosomiasis, which can be lethal, but some researchers are conflicted about the trial. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Geminids 2017: How to watch the Geminid meteor shower online next week?Trilobites: Actually, You Do Want to Know How This Sausage Gets MadeMIND CONTROL: How YOUR brain could soon be connected directly to the INTERNETHow to Avoid a White-Knuckle Drive on Black IceREVEALED: Almost half of humans DO believe in alien life and want to make contactGeminids 2017: When to see the Geminid meteor shower next week?