Anna Phillips holds a colorized electron microscope image of a species of tapeworm taken from a cow-nosed ray (“Rhinoptera bonasus”), a marine animal. Produced by Kiersten Jensen at the University of ...

I ate something on a trip to Brazil and now I’ve been having terrible stomach issues. I’ve read about people who have had tapeworms and I don’t know if I have one. How do you know if you have a ...

Getting your Trinity Audio player ready... Janine Caira’s lifelong passion began on a beach in Baja California. She was in her 20s, studying for her parasitology PhD at the University of Nebraska at ...