It wasn’t just a new species, it was “the world’s largest worm lizard,” researchers said. The species was named Terastiodontosaurus marcelosanchezi, or the Marcelo Sánchez giant trogonophid.

Former President Jimmy Carter worked for decades to eradicate Guinea worm disease around the world. Whereas 3.5 million cases of the painful parasitic infection were recorded in 1986, preliminary ...