ABUYONG, Sudan - Lily pads and purple flowers dot one corner of the watering hole. Bright green algae covers another. Two women collect water in plastic jugs while a cattle herder bathes nearby.

Guinea worm disease, caused by the parasitic nematode Dracunculus medinensis, has been the focus of an ambitious global eradication programme since the 1980s. Transmission typically occurs through the ...

ATLANTA -- In 2015, millions of people around the world tuned in to hear President Jimmy Carter announce that his cancer -- metastatic melanoma -- had spread to his brain, but he didn't focus solely ...

When most people think of worms, they imagine harmless garden creatures wriggling through soil. Yet, the world of worms is far more sinister. Some are terrifying predators, invasive parasites, or ...