Won't happen, because the service they are using (without crediting it) to get this "curiosity of the day" doesn't provide such a link. So they can't add such a

Won't happen, because the service they are using (without crediting it) to get this "curiosity of the day" doesn't provide such a link. So they can't add such a link. They could add a link to http://numbersapi.com/ http://numbersapi.com/ though.