1940s Memes

The African clawed frog is having what scientists call "a completely rational reaction" to being used as a pregnancy test. In the 1940s, these unfortunate amphibians were injected with women's urine—if the woman was pregnant, the hormones would cause the frog to lay eggs within 24 hours. Imagine spending your evolutionary journey becoming a specialized aquatic creature only to end up as a urinary diagnostic tool. And you thought your career path took an unexpected turn.