In July 2020, a rumor started to circulate online that typing any three-digit number followed by the words "new cases" into Google would return news articles or other reports about COVID-19 in search ...

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

In many parts of the US, it has long been possible to make local calls with just the seven-digit phone number; the three-digit area code was implicit for calls between numbers using the same area code ...

To reach the National Suicide Prevention Lifeline for mental health crises, it now takes only three digits: 988.On Saturday, Vibrant Emotional Health, the nonprofit that operates the lifeline on ...