Hosted on MSN

Why Is It Called a "Litmus Test"?

A litmus test is an idiom for a challenge. But why? In a 2024 New York Times piece exploring the controversy over married couples in Japan using separate surnames, the Times headline read: "A Litmus ...
The New York Times

A Litmus Test in Japan: Should Spouses Be Able to Have Different Surnames?

The nine candidates vying to become prime minister have been differentiated by their stances on a law requiring married couples to share a family name. By Motoko Rich and Kiuko Notoya Reporting from ...