“Ask a science professor what she worries about,” Hope Jahren says, “It won’t take long. She’ll look you in the eye and say one word: ‘Money.’” Hope Jahren’s new book is Lab Girl .

The word dog, for example, used in one study, is "Hund" in German, "chien" in French, and "inu" in Japanese. But one word appears to buck this trend, with the linguists finding it may be universal ...