Watch out! This post contains spoilers. "Lessons in Chemistry," which premiered its third episode on Oct. 20, isn't just a romantic drama; it also serves as a window into a historical moment that is ...

What do an old pregnancy test for women and a mysterious fungus that is killing frogs have in common? Plenty, according to researchers at North-West University in South Africa, who believe they have ...

The African clawed frog is an evolutionary marvel — an entirely aquatic species with powerful hind legs, flattened bodies, and an ability to regenerate damaged tissue. It’s native to sub-Saharan ...

(via TEDEd) In the early 20th century, pregnancy testing required a slippery piece of equipment: a female African clawed frog. For decades, hospitals and research labs had a trusted supply of these ...